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Aplusclick Grade 10 Questions
Which is the smallest?
The typical healthy resting heart rate in adults is 60–80 beats per minute. . . .
How many whole numbers between 1 and 1000 do not contain the digit 9?
How many 2-digit integers are there in which the sum of the digits is equal to . . .
Which number has the greatest number of divisors?
What is the smallest positive integer that has 12 different positive divisors, . . .
How many integers from 1 to 100 can be written as the sum of 3 consecutive . . .
What is the largest sum of two integers such that their product is 787?
An hour ago, I notched up 78987 kilometers on my odometer. The number is . . .
What is the sum of the digits of all 2-digit numbers?
The speed of sound at sea level is 333 meters / second. If the sound of an . . .
Find the last three digits of the product: 44444 x 99999
How many 2-digit integers are there in which the sum of the digits is equal to . . .
If 144 is divided into three parts proportional to 7, 8 and 9, then the . . .
How many digits are in the product of 2
101
and 5
99
?
Choose the answer without using a calculator. Which number is evenly . . .
Choose some of the two-digit numbers on the right so that they add up to . . .
How many numbers are in the following list of integers: 1, 2, 4, 8, . . . , . . .
Estimate the number of Metro stations.
How many sets are there of three consecutive positive integers whose product . . .
January 1st, 2014 was a Wednesday. How many Sundays occurred in 2014? 2014 . . .
What number is largest?
The sum of consecutive integer numbers is 50. How many numbers are there?
Solve this. F = (a - x) (b - x) (c - x) . . . (z - x)
If the sum of two numbers is 8 and their difference is 2, what is their product?
Positive integers and zero are whole numbers. If N is a whole number, any . . .
Find two numbers so that their sum, product and the result of division are the . . .
Use three 5's and any math signs to make 19. How many '+' signs did you use?
The picture "Mental Count" of Russian painter Nikolay Bogdanov-Belsky contains . . .
Shakuntala Devi was undoubtedly the most brilliant arithmetic mental calculator . . .
Solve the simultaneous equations: x – 4y = 0 x + y = 4
Solve the inequality: 444 + 555y is smaller 333
Which statement is correct for 10(a + 20) = 30(a – 40)
Which gives the largest answer?
Which statement is correct for 0.5 (x – 5) = 0.2(x – 2)
Solve the equation: 99 + 88y = 77
Which gives the largest answer if a = 11?
If 3( 2a – 1) = 0 then 4( 3a – 2) = . . .
Solve ( y – 1.2345 ) / 12345 = 12345 ( y – 1.2345 )
Identify the location of point E under the transformation (x
2
+ 3, . . .
Which equation represents line L?
Identify the point of intersection of the parallelogram's diagonals.
Which area is the smallest?
Find X
Find the expression that is TRUE.
Find the expression that is INCORRECT.
Find X, if X > 0
Find the sum of all the elements of this finite geometric sequence: 1, 2, 4, . . .
How much does the maximum value of 1-sin(x) exceed the maximum value of . . .
Find x.
The product of 4 consecutive integers is 840. Find the first of these . . .
Two candles are of the same height. One burns in four hours, while the other . . .
In Morse code, each symbol is either a dot or a dash. How many different . . .
Which point is closer to the origin (0,0)?
Which point does NOT belong to the line y = 3 + 0.25 x ?
How many numbers from 1 to 111 inclusive are equal to the cube of an integer?
What is the least positive integer n such that 1 + 2 + . . . + n > 999
What number divided by 1001 is the same as that number minus 1001?
One apple and one banana together cost $3. One apple and one carrot together . . .
You have two buckets. The first bucket contains 5 liters of water and the . . .
Find the last digits of the product. (7 x 5 x 4 x 5 x 3 x 1)
33
I would like to write 1000 as n
2
- m
2
, where n and m are . . .
Which is the best representation of the function
y = 1x - 2
?
Identify the location of point E after the transformation (x
2
+ 4, . . .
Which area is the largest?
In the equation y = 9x
2
– 1, which is the value of x when y = . . .
Which of the following green areas best represents the graph of the inequality y > 1 + . . .
A
is the set of all points (x,y) in the shaded region. Find the set . . .
The last digit of the number 4
44
is:
A perfect cube is an integer whose cube root is an integer. For example, 64 . . .
Anna used 189 digits to number the pages in her diary. How many pages does . . .
100% of 90 girls and 90% of 100 boys have shown up in the concert hall on time. . . .
Divide 77 into three parts so that one is 150 percent of each of the other two. . . .
For which of the following is X
X
the square of an integer?
Engineers at a race company make three discoveries. The first invention saves . . .
The average age of all teachers and students in a school is 15. The average . . .
One pipe can empty a pool 5 times faster than a second pipe. When both pipes . . .
What is the 100
th
positive integer that is not divisible by 10?
The sum of the ages of four sisters is 30. The sum of their ages four years . . .
What is x?
Find the value.
A retailer offers a 25% discount off the normal price of a wooden puzzle. She . . .
An outlet pipe can drain a full pool in 12 hours. An inlet pipe can fill the . . .
A circle of radius 3 is drawn centered at the origin. How many squares of . . .
What is the value of 2014 x 2014 - 2012 x 2016?
Which of the following gives the smallest result? Do not use a calculator.
Mrs. Smith puts $10,000 into a saving account that earns 2% interest compounded . . .
James has scored an average of 10 on his first 10 tests. What score should he . . .
Gerry earns 9% commission for each camera sold. Today, he earned $44.1 . . .
In a shop, two liters of water costs $1, two liters of natural syrup cost $21, . . .
If 15 students occupy 5/6 of the seats in the classroom, how many students . . .
Which step is the flaw in the proof?
How many integer solutions does the expression have?
Jane sets off from home to Boston at 50 miles per hour (mph). Gerry sets off . . .
Find two positive integers that don't end in zero, and have a product of . . .
Jane drinks only 2% fat milk. There are only 4% fat milk and 1% fat milk in a . . .
The scale of a map is 1:20 000. The distance is measured as 5 centimeters on . . .
What is the greatest number of circles that can be placed around the central . . .
Which reservoir has the greatest volume?
Anna has made puzzle pieces by cutting wedges from a disk. Each wedge cut from . . .
Sixty-four coins are melted down and recast as a single coin of the same . . .
The diameter of the rear wheel of a circus bike is 99 cm. It is 1 cm smaller . . .
Rectangle ABCD contains five small congruent rectangles. The smaller dimension . . .
A diagonal is a line joining two non-consecutive vertices of a polygon or . . .
ABCD is a rectangle. E, F, G and H are midpoints of AO, BO, CO and DO . . .
Which is the front view of the 3-D shape?
Which shape was proportionally enlarged, turned, and moved to the point O?
Which fraction of the design is white?
How many lines of symmetry does a circle contain?
Which two lines are parallel?
What is the volume of the figure?
Which rays on this picture appear to intersect?
Shapes A and B are congruent equilateral triangles. Shape C is formed by . . .
The diagram illustrates a row of three squares formed by matches. How many . . .
A quadrilateral is any four-sided figure. How many quadrilaterals are there . . .
The big square has a side length of 1. Its sides' midpoints are connected to . . .
A line passes through P(3,1) and Q(36,1000). How many other points with . . .
How many planes of symmetry does a brick have?
The picture shows two identical squares with sides that have a length of 1 . . .
Two lines and two diagonals are drawn through the center of the rectangle. . . .
In a triangle, the sum of two of the angles is equal to the third. The lengths . . .
The Earth's diameter is 12,700 km. The horizon is 11 km from the top of a . . .
How many equilateral triangles can you create using six identical matches? . . .
Four towns are situated at the corners of a square. The government decided to . . .
What is the volume of the object?
How many squares can be placed inside the circle without intersection?
Which of the nets can be folded into a box with a red ribbon printed . . .
The blocks of ice are of the same height and depth. Which assembly melts . . .
Egyptian pyramids are square pyramids. Which of the following nets can be . . .
The figure shows an example how a 3x4 net can be covered by L-shaped figures. . . .
A square is inscribed in a triangle. Find the length of the side of the . . .
A telephone company places round cables in round ducts. What arrangement of . . .
The figure shows a regular hexagon. What is the area of the red part as a . . .
A semicircle is inscribed in the right triangle. Find the radius of the . . .
Among the following shapes of equal perimeter, which has the largest area?
A point of the square grid is chosen to form an isosceles triangle together . . .
Eugenia discovered round ink spots on her music paper. Which music paper is . . .
What is the greatest number of possible points of intersection of four . . .
The smallest apple weighs 100 grams. The largest apple has a perimeter 10% . . .
I want to place together five identical shapes without overlapping them to form . . .
The left picture shows nine dots arranged in a 3 x 3 square. The dots are . . .
Anna takes a rope that is 16 meters long and creates a square. Bob takes the . . .
Which of these diagrams could be drawn completely without lifting the pen off . . .
For what value of
x
is the ratio between the red and blue areas at its . . .
What fraction of the large equilateral triangle is colored?
Which of the following graphs shows the dependence "square side length Y - its . . .
Shapes A and B are congruent equilateral triangles. Shape C is formed by . . .
Seven squares with side length of 1, 2, 2, 2, 3, 4, and 5 units can be fitted . . .
The area of the white cross is 20% of the area of the square flag. Five white . . .
Two heights in a triangle are both not less than either of two of its sides. . . .
If the largest size of a cube is 3 times larger than the original size, what . . .
A Heronian triangle is a triangle whose side lengths and area are all integer . . .
I arrange 10 points so that 3 lines each go through 4 points. I would like to . . .
The top of a rectangular box has an area of 20 square meters, and two sides . . .
What is the probability that a point chosen randomly from the interior of an . . .
This shape was formed by removing a small cube from a big cube. The side . . .
I want to cut a wooden cube that is four inches on each side into 64 one-inch . . .
What is the angle between the hour hand and the minute hand at 9:10 ?
I cut a pyramid from a brick as shown in the picture. What part of the brick . . .
What is the probability that a point chosen randomly from the interior of a . . .
Which is the side view of the 3-D shape?
A rectangle has a width of 0.7x and a length of 0.4x. Which formula is the . . .
Which gives the largest answer?
An arrow rotates 372° in one second. How many revolutions does it make in . . .
A boy is making boxes from cardboard. He is going to cut square pieces off . . .
The American flag consists of thirteen equally spaced, horizontal red and white . . .
A block of wood in the form of a cuboid 8 x 9 x 10 has all its six faces . . .
A sculptor cuts a cube with a plane. What is the maximum number of possible . . .
A bug walks from corner A of a room to corner B by only moving along the walls. . . .
Connect 7 points on the circumference of a circle. What is the largest number . . .
All angles are right and the lengths of the sides are given in miles in the . . .
How many triangles with a perimeter 8 units have all side lengths that are . . .
A regular polygon has some perpendicular sides and some parallel sides. . . .
If a square is four and a triangle is three, how many is a regular star?
In a triangle, the sum of two of the angles is equal to the third, and the . . .
What is the absolute difference between the largest and smallest possible . . .
What is the volume of a right rectangular solid with face areas of 12, 21, and . . .
An aquarium has a water surface area of 10,000 cm
2
. I put a brick . . .
A piece of wire 75 cm in length is cut into two parts, one of them being 30 cm . . .
Estimate the ratio of the circumference
c
to the diameter of the circle . . .
Find the ratio of the areas of the large and small equilateral triangles.
A 3 by 4 rectangle is contained within a circle. What is the smallest . . .
A photograph is placed in a frame that forms a border 2.5 cm wide on all sides . . .
I have 33 coins. What is the minimum number of coins I need in order to make . . .
Which regular shape cannot be used to tile a floor with no gaps between tiles?
I divided a 3 x 4 square into 6 squares. What is the smallest number of . . .
A wooden empty box weighs 80 pounds. How much will another box of the same . . .
The picture shows a polygon with 7 sides and 5 right angles. How many . . .
There are 17 parallels and 12 meridians on a globe. Into how many areas is the . . .
What is the difference between the red area and the blue area if the numbers . . .
What is the side view of the three-dimensional object?
Swiss village Saas-Fee is entirely pedestrian and serviced by electric taxis . . .
The sum of the perimeters of three rectangles is 172cm. What is the largest . . .
I want to wrap 30 wooden cubes. Which packaging uses the least package?
Gerry frequently goes from his home to Jane's house, which is 4 miles away. . . .
Triangle ABC is equilateral. What is the ratio of the red and blue areas if . . .
What is the sum of the interior angles of a pentagon?
A team of archaeologists is exploring an underground complex on a remote . . .
A shop owner installs a security camera on the ceiling of his shop. The camera . . .
How many diagonals can I draw in an octagon?
The slice that has been eaten had 11 mushrooms on it. What is the estimated . . .
The population of Funnytown increased from 9,999 people in 1999 to 11,111 in . . .
Bob is rolling two dice and adding the numbers on the top faces. What sum is . . .
The average of eleven numbers is 9 and the average of another set of nine . . .
Fifteen numbers have an average of 15. Five of these numbers have an average . . .
What is the probability that the x-coordinate of a point randomly selected . . .
The average (arithmetic mean) of the 9 numbers is 60. Which pair of numbers . . .
The average (arithmetic mean) of a set of 10 different numbers is 100. If the . . .
In a class, 90% of the students earned A-grades on the first test, 80% earned . . .
Three boxes contain two coins each. One contains two nickels, one contains . . .
Everyone in tenth grade classes voted on a motion. Sixty percent of the girls . . .
John earned an average of 80% on his five exams. What is the lowest possible . . .
By drawing two marks on a wooden ruler, we can measure 1, 2, 3, 4, 5 and 6 . . .
What is the difference between the sums of numbers in the sixth and third . . .
Statistics at statemaster.com shows the numbers of elementary and secondary . . .
The Smiths and Petersons went out to dinner. The two couples chose a round . . .
How many different lines can you draw through N points that are evenly spaced . . .
In how many different ways or orders can four people line up?
A pass code must comprise four different numbers from 0 to 9. How many . . .
There are 4 male and 3 female players on a national tennis team. How many . . .
How many times in a 12-hour period does the sum of the digits on a digital . . .
One person is chosen at random from the list. What is the probability that . . .
Two cards are randomly chosen. Two numbers are added. What sum of numbers . . .
Bob the plumber has 10 pockets and 60 nuts. He wants to put the nuts in all . . .
A frog jumps one meter 3 times, and every time he randomly chooses one of four . . .
Henry has 100 roses. He gives them to his dancing partners in such a way that . . .
The Venn diagram shows the result of a survey of 80 students. It indicates . . .
I put 100 pennies, 20 nickels, 10 dimes, and 4 quarters in a bag. I take 4 . . .
This is a standard set of dominoes. One domino has no spots and the greatest . . .
Place the number tiles in the squares so that no two consecutive numbers are . . .
The Venn diagram shows the result of a survey of 80 clients. It indicates the . . .
John sent an email to his three partners. Everybody answered and copied the . . .
There are four referees on a rectangular pitch, with one at each corner. They . . .
There is a legend that a stork brings babies to a village. All parents . . .
I arranged eight wooden sticks in the shape of a fish. What is the minimum . . .
I have four boxes, each containing identically shaped balls: one of them is . . .
In a bakery store, 400 customers participated in a survey on Tuesday. On . . .
There are 9 children in a class and each knows a different piece of a short . . .
How many times heavier than a rabbit is an elephant?
The binary numeral system represents numeric values using two symbols: 0 and 1. . . .
I plan to roll a die 10 times. Which of these results is more likely?
Bob shaves himself 4 minutes per day. If he lives 70 years, what is the . . .
There are 10 green and 10 red jellybeans in a jar. If I randomly remove 2 . . .
The national debt of a country is $16.5 trillions. It has a population of 300 . . .
Given that 80% of IT projects fail, and that 20% of IT managers are female, . . .
I participate in a Formula 1 race. One second before the finish I am the . . .
What is the logic behind? What is the correct answer?
A two-digit integer is 4.5 times larger than the same number read from right to . . .
The slice that has been eaten had 16 mushrooms on it. What is the estimated . . .
Five percent of the marbles in a jar are black. One fourth of the marbles . . .
A bag contains 6 green, 5 gray, and 4 violet disks. If a disk is drawn at . . .
If two dice are rolled 72 times, how many times is the sum of the two top . . .
Which number could be added to the set without changing the average (arithmetic . . .
The first person is 100 cm tall. Each next person is 10% taller than the . . .
Four kinds of apples are combined in a box. I select apples from the box . . .
Alex received a 70 on his essay and an 80 on his final. He got a 90 on class . . .
Statistics show that for every 100 babies born in Funny Town, there are 10 more . . .
As each of five eggs is weighed, the average weight increases by two grams each . . .
One person is chosen at random from the list. What is the probability that . . .
John arrives at a crossroad A from the North. He makes moves each time . . .
99 numbers have an average of 100. Ninety of these numbers have an average of . . .
The average of a set of 12 numbers is 1. If 18, 35 and -20 are added to the . . .
Eugenia earned 60, 65, 71, 79, 85 and 90 on her mathematics examinations. If . . .
I have ten dimes; nine are real, and one is fake. Whenever a real dime is . . .
A chip is placed at the bottom left corner square of a 5 x 5 grid. The chip is . . .
John answered 100 4-option multiple-choice questions. He is sure that he . . .
There are six traffic lights on Speedup Avenue. In how many ways can the . . .
Three apples were weighed in pairs and the weights were 200, 212, and 224 . . .
Four bugs are at the four corners of an equilateral tetrahedron. Each bug . . .
How many coins must you move to form two infinite lines, each with exactly five . . .
Order the shape by weight from lightest to heaviest.
There are 21 cubes in the 6-cube tower. What is the height of a tower made . . .
Successive discounts of 1% and 2% are equivalent to a single discount that is
Successive discounts of 50% and 50% are equivalent to a single discount that is
What is the average (arithmetic mean) of all the multiples of ten from 10 to . . .
How many three digit numbers are evenly divisible by 17 (no remainder)?
The amount of water flowing into a tank doubles every minute. The tank is full . . .
Seven soldiers have lined up in order of height, tallest to shortest. They . . .
The average IQ of 10 students is 101. If nine of these students each have an . . .
John and Mary borrow $3,000 to pay for new furniture. They will pay back the . . .
In a country, there is a baby born every 20 seconds, 1000 deaths every day and . . .
When 4 coins are tossed, what is the probability that exactly one is a head?
Jane picks a random integer between 1 and 5 (inclusive) and Gerry does the . . .
How many 1s are there in the result of the multiplication: 12345 x 99999? . . .
According to Wikipedia Mrs. Vassilyeva holds the record for most children: she . . .
If the ratio of men to women in a company is 5 : 7, which of the following . . .
How many different bracelets can you make from four beads?
Gerry wants to buy Jane a $100 gift in a pet shop. If the sales tax is 10% . . .
The sum of 55 consecutive integer numbers is 5555. What is the largest . . .
The letters A, E, I, O, and U are vowels. Which word includes the largest . . .
If you toss eight dimes and three of them land heads up, what are the chances . . .
If I roll three dice, what is the probability of rolling a six on at least one . . .
A survey shows that 85% of the population of a country speak English, 75% of . . .
There is a 6% sales tax in a state. How much tax did I pay for a car, if the . . .
Jane and Gerry work at a call center selling worthless rubbish to unsuspecting . . .
Leslie Green asks: Scientists and engineers need to use quantities which can . . .
John gets a wage increase of 4% plus an extra $9 per week. His present wage . . .
If Alex gets 90% on her math test, Beatrice gets 90% of Alex's results and . . .
Which of the following is closest to 1234567 x 7654321
When the ball hits the ground, it bounces back up to half its original height. . . .
A river boat travels 2 km in 12 minutes with the current and 1 km in 18 minutes . . .
Three 250-ml glasses contain orange juice. The first one is 2/3 full, the . . .
Three referees A, B and C are at the corners of a rectangular field. At . . .
What is the sum of 99 consecutive positive integers if the middle one is n?
How many positive integers less than 111 are evenly divisible by either 2 or 3, . . .
Many people stand in a line (queue) to buy tickets to a match. There are . . .
The sum of the consecutive integers from -33 to X, inclusive, is 105. What . . .
A password consists of four digits and the repetition of digits is allowed. . . .
Sixteen European teams enter a football tournament. Each team plays one . . .
In the first week John made $1. He made 5 times more than the previous week . . .
Here, a password consists of four digits, 0-9. How many passwords are there . . .
Find two consecutive even integers such that the smaller added to two times the . . .
I took a picture of a six-sided die, whose faces are numbered from one to six. . . .
I don't quite remember my five-digit password. The first and last digits are . . .
What is the condition for the smallest ten-digit integer that has only two . . .
Anna traveled 3600km in a car. She had six tires and changed them such that . . .
A family travels from their town to the nearest seashore at a speed of 30 km . . .
There is a total of 6 squares whose vertices are points on the rectangular 3 x . . .
Gentlemen are evenly spaced in a circle and the 11th gentleman is directly . . .
Based on 20 years per generation, estimate the number of ancestors you had 220 . . .
What number should replace the question mark?
From the offered options select the picture that logically best fits to the . . .
Three children and two adults want to cross a river. Their boat can carry . . .
For what value of x does the algorithm say C?
How many times do the two hands of a clock point in the same direction between . . .
A password consists of two digits, from 1 to 4, followed by two capital letters . . .
Three white hens and four black hens lay as many eggs in five days as two white . . .
I have a collection of 44 songs that are each 4 minutes in length and 55 songs . . .
A farmer puts several pigs into three pens. None of the pens is empty. All . . .
The sum of ages of two brothers is 55 and the elder brother is 9 years older . . .
Please make 121 by using three 5s. You can use any math operator that you . . .
Three mentors and four apprentices produce as many devices in five days as two . . .
If a hen and a half lay one half of an egg in two days and a half, how many . . .
Find a phrase that differs from the others.
Logic riddle In a house, there are three switches on the ground floor for . . .
A lot of money is in a box. None or just one inscription on the boxes is . . .
I took several pieces of fruit from the bowls. All of them are cherries . . .
You are shrunk so that your height is equal to the diameter of a dime (a . . .
In a group of 27 people, 17 have studied Japanese, 7 have studied Chinese, and . . .
Neglecting the seconds hand, how many times do a clock's hands overlap in a day?
By using 1 2 3 4 once each and any arithmetical operations +, -, x, and /, what . . .
John is 33 years, 33 months, 33 weeks, 33 days, and 33 hours old. How old is . . .
A melon slice weighs 5kg, and 92% of the weight is from water. After lying in . . .
John's dad pays him 75 cents for each correct answer he provides in his math . . .
How many generations forward must you go in order to have more than five . . .
A password consists of three digits, from 0 to 9, followed by a digit or a . . .
How many of the first 100 integers are divisible by either 6 or 7 ?
For every birthday of John's life he puts as many dollars in a piggy bank as . . .
Jim won a contest in which the prize was his weight in U.S. dimes. If a dime . . .
The price of a T-shirt on sale is $19.99. The store reduced the original . . .
Anna's income is seven-eighths that of Beatrice. Anna's expenses are . . .
How many years ago did you have more than four thousand ancestors? Assume . . .
Mr. Smith can read 1 page in 2 minutes. His wife can read 2 pages in 3 minutes. . . .
An analogue clock loses 9 minutes each hour. If the clock is set correctly at . . .
Twelve European teams enter a football tournament. Each team plays one match . . .
Yellow Taxi Service charges $1.50 for the first mile and $.78 for each . . .
The product of 2 integers is 1200. Find the smallest possible sum of these . . .
An integer consists of 110 digits such that any consecutive 10 digits are . . .
There are 20 balls in the box. X of them are white. When we add 10 white . . .
There are four brothers in a family. The sums of the ages of three of them are . . .
Bill buys oranges at five for $1 and sells at one for $5. How many oranges . . .
It takes two painters 6 days to paint a house. The older painter would only . . .
A girl is 12 years old. She is three times older than her dog. In how many . . .
Roman numerals are a numeral system of Ancient Rome based on letters of the . . .
I sold two cars and received thirty thousand dollars for each car. I received . . .
A 300-dollar stock loses $50 of its value for a week. What percent of . . .
Find the odd one out.
Your boss has been told to give you a medal at the end of the day, for each of . . .
Everything is half price in a restaurant. Even more, each pizza receives an N% . . .
Which figure completes the sequence?
Logic puzzle. Only the first and last letters of the words below are in their . . .
If you rearrange the letters NAPDOL, you would have the name of a
A man eats 20 coconuts in 20 days. Together with his wife, they eat the same . . .
A dog chases a rabbit, which was initially 20 meters away. For every 11 meters . . .
Which number goes next? 1, 8, 11, 18, 80, 81
I stacked five dice. What is the maximum possible sum of the dots on the . . .
How many words are there in the English language? Guess by using your logical . . .
One quarter of the competitors were faster than Mary and I, but two thirds were . . .
Jim can eat a 15-inch pizza in half an hour. How long will it take for Jim to . . .
The price of a computer after discount was $992. If the discount was 20%, . . .
A man and his beloved wife carry a 20kg basket. If the lady carries only 8kg, . . .
John and Mary, whose average annual income is $110,000, have just moved from . . .
What is the total surface area of 28 identical cubes which together have a . . .
I composed the numbers from strips of paper. Find the odd one out.
Jane pedaled downhill at 20 km/h and it took 2 hours to travel from a Swiss . . .
What is the word coiled inside this circle?
Which of the following is least like the others?
Anika solves 10 problems, 80% of them correctly, in 20 minutes. James solves . . .
How many students are there in Evguenia's class, if 5% of the students have . . .
A five-digit number is evenly divisible by 9. If four of the five numbers are . . .
How long is a rope that is 8 meters shorter than another rope that is 5 times . . .
If half of five pizzas costs $30, what would a third of eight cost?
What is the smallest integer that can be written with two digits?
How much are 33 cacao bags (of 44kg each) worth, if 10kg costs $55?
Five teams of 4 students each met in a competition. Each student shakes the . . .
The community library fines 20 cents per overdue day of the first week and 50 . . .
If you were to spell out the numbers, how far would you have to go before . . .
What team do you join to get the greater amount of melon?
There are 2 matches. What is the least number of matches that can be added to . . .
Evguenia's birthday parties are always the same, and always boring. She gets . . .
There are 3 different positive integers that have the same answer whether . . .
Stephen Stead asks: quot;My car uses 10 liters / 100 km and has a 70-liter . . .
Leslie Green asks Some forms of loans are more
iniquitous
than . . .
In a particular city it is illegal for those aged over 18 to consume children's . . .
If Bob is exactly 9999 days old today, how old is he?
Would you rather work five days at $120 per day or be paid $20 the first day . . .
At the bank, Gerry asks to exchange two $100 bills for $1, $2, $5, $10, $20, . . .
Gerry drives to his work 4 days per week and his office is 10 miles away from . . .
Gerry writes 1. He either adds or multiplies it by the next integer number. He . . .
There are 4 playing cards face up in a line on a table. Each of the cards has a . . .
What is the main difference between the pictures on the left page and on the . . .
What is the main difference between the pictures on the left page and on the . . .
What is the main difference between the pictures on the left page and on the . . .
There’s a tennis tournament with one hundred players. How many matches does . . .
Gerry picks up several coins from the pirate chest. All but 5 have an eagle. . . .
The wages of 8 workers for a five-day week is $ 6,000. What are the one day’s . . .
They said their names. The girl said "My name is Taylor." The boy said "My . . .
Jane has 34 apples. Two apples can be traded for 1 mango, and each mango can be . . .
A loaded truck weighs between 4 and 5 tons. How many tons would 45 trucks . . .
John put $10,000.00 in a savings account at an annual interest rate of 4%. He . . .
In 2000, the population of a small town was 10,000 residents. If the annual . . .
Which of the following could be indicative of a successful business?
In a basketball tournament, a team must be defeated twice to be eliminated. . . .
A full box with 100 matches weighs the same as two boxes with 40 matches each. . . .
The cross-section of the identical arc stones is a trapezoid with three equal . . .
The diagram shows a road network. All cars drive in one direction from A to B. . . .
I would like to rearrange the items in the six bins shown on the right to . . .
How many boxes measuring 1 x 2 x 3 can be packed into a container measuring 5 . . .
How many chain links do I need to produce a 2.4-meter chain? All sizes are . . .
To paint four solid white lines and two dashed white lines costs $999.00 per 1 . . .
Benny Bunny starts jumping from a hole. Every leap is two times longer than . . .
Where is the center of gravity (center of mass) of the orange shape?
Three boys want to equally share three pancakes. The picture shows the . . .
If 10% of the people get 90% of the total salary paid in a county, and the . . .
What is the number of "Friday the 13
th
" that occur in 2012 if . . .
A total of 321 employees work for company XYZ and two thirds of them are men. . . .
Find the best deal.
Bob is paid $5,000 a month for his regular job. During Summer holidays, he . . .
The business of company A is 10% greater than the business of company B now. . . .
John is going to repair his house. There are three major activities: . . .
The picture shows a simplified statement of income for company ABC in million. . . .
I have a rectangular piece of cheese with a round hole. What line cuts the . . .
I place 1000 coins in two columns in a wooden box, and they fit nicely as . . .
There are 135 cars in a village of 30 families. Each family has either 4 or 5 . . .
It costs $27 to paint a cube. Before painting, we divide the cube into two . . .
A $10 million lottery pot is divided into equal increments over 25 years. The . . .
If three students eat three apples in 40 seconds, how long will it take six . . .
John works 5-hour shifts at a call center. He earns $5 per hour and $5 per . . .
A taxi company charges $1.95 for the first mile and 50 cents for each . . .
A bicyclist pedals downhill at 25 km/h (kilometers per hour) and uphill at 10 . . .
You have 27 dimes; 26 are real and one is fake. All the real ones weigh the . . .
Are you a good bargain shopper? Find the best deal.
A city hall floor is to be tiled in the following pattern. The hall measures . . .
A restaurant sells a 30 cm (in diameter) pizza for $9, while their large 40 cm . . .
A real estate agent receives a 5% commission on the selling price of a house . . .
A real estate agent receives a 5% commission on the selling price of a house . . .
Estimate the average width of the lake shown on the right.
In a casino on a Sunday, 90% of the visitors lost $200 each, 9% of the . . .
In a survey of customers, 2/3 of the female clients and 3/4 of the male clients . . .
I take half of the coconuts plus a coconut. What percentage of coconuts do I . . .
A girl begins to ascend a mountain from its base at 8:00. She follows a . . .
Andrew is expecting two important 10-minute phone calls today at a randomly . . .
Bill is going to visit his family in New York. He lives 105 miles away in . . .
How many 1x1 squares fit into the large square with the side length 3.7? . . .
A group of 24 scouts goes on a trip. They prepare enough food to last 10 days. . . .
Water weighs 1000kg per cubic meter at 4 degrees Celsius. Fresh snow that . . .
In 2013, 87.5% of Swiss train passengers arrived at their destination with no . . .
The heights of the masts from the first to the fifth are 32 m, 36 m, 35 m, 32 . . .
John buys a car, paying 20% in cash. The rest of the amount is paid by a . . .
You are driving your mother's car home. Make a deal!
In a company all people except “shop workers” have 2 direct subordinates. How . . .
The State Tennis tournament starts with 128 players. How many rounds must be . . .
A solid metal ball weighs 9 pounds. How much will another ball of the same . . .
Items accepted by an airline must not be more than 3 x 4 x 12 ft long. What . . .
According to USDA's Economic Research the average American ate 2000 lbs of food . . .
The straight road of 40 km long is divided into three different parts. The . . .
A girl caught her first fish after 30 minutes of waiting. She caught each next . . .
Seven trees are planted in a park, with exactly 3 meters between each . . .
How long do One Thousand and One Nights last? A Persian king, Shahryar, . . .
What is the most money you can have in $1, $2, $5, $10, $20, and $50 bills and . . .
Americans measure the temperature in
o
F. Europeans measure the . . .
The size of most credit cards is 85.60 x 53.98 mm ( 3 3/8 x 2 1/8 in ). . . .
A very old car takes 2 hours 48 minutes to get to my granny's house, 84 km . . .
Two automobiles set off at the same time, one from Vevey and the other from . . .
A driver's eyes are about 1.3 m above the ground, while the hood is 2 m in . . .
Gerry drives to Jane's house at 60 miles per hour and comes back at 40 miles . . .
How many revolutions did the Earth make around its axis in 20
th
. . .
Ten men met at a conference. It took 4 seconds for each man to shake hands . . .
There were 196 countries on the Earth in 2010. The 2-letter codes are . . .
My bath has two taps and a plug hole. The cold tap on its own fills the bath . . .
A shopkeeper of a Dairy stands six feet tall and wears size 13 sneakers. What . . .
I picked an integer from 1 to 1000. What is minimum number of questions, with . . .
Jane purchased a house for $ 400,000. She wants a Real Estate Agent to sell . . .
A short word can be written forward, backward or upside down while remaining . . .
In how many ways can Jane put two eggs into the package? The color of the . . .
Leslie Green asks: quot;
Endocrinic Igorosis
is a horrible . . .
Gerry has $30 in pennies, nickels, dimes, and quarters with proportion: 25 : . . .
Martin has ten thousand dollars in the Mad Money's bank account. The interest . . .
Granny is making a cookie for each of her 12 children, her 28 grandchildren, . . .
Leslie Green asks: Bethany throws a hard ball at John when they are in the . . .
Jane has a 5-liter bucket with 3%-fat milk and 3-liter bucket with 5%-fat milk. . . .
The 52-page newspaper "The Daily Dog News" consists of double sheets. Edgar . . .
Where is the speed of sound the smallest? 1 km = 1000 m = 1000 meters
Lottery 6-digit numbers are from 000001 to 999999. A ticket is considered to . . .
Which is the smallest? 
The typical healthy resting heart rate in adults is 60–80 beats per minute. . . .
How many whole numbers between 1 and 1000 do not contain the digit 9?
How many 2-digit integers are there in which the sum of the digits is equal to . . .
Which number has the greatest number of divisors?
How many integers from 1 to 100 can be written as the sum of 3 consecutive . . .
What is the largest sum of two integers such that their product is 787?
An hour ago, I notched up 78987 kilometers on my odometer. The number is . . .
What is the sum of the digits of all 2-digit numbers?
The speed of sound at sea level is 333 meters / second. If the sound of an . . .
Choose the answer without using a calculator. Which number is evenly . . .
Choose some of the two-digit numbers on the right so that they add up to . . .
Estimate the number of Metro stations.
January 1st, 2014 was a Wednesday. How many Sundays occurred in 2014? 2014 . . .
Use three 5's and any math signs to make 19. How many '+' signs did you use?
The picture "Mental Count" of Russian painter Nikolay Bogdanov-Belsky contains . . .
Shakuntala Devi was undoubtedly the most brilliant arithmetic mental calculator . . .
Solve the simultaneous equations: x – 4y = 0 x + y = 4 
Solve the inequality: 444 + 555y is smaller 333 
Which statement is correct for 10(a + 20) = 30(a – 40) 
Which gives the largest answer if a = 11?
Solve ( y – 1.2345 ) / 12345 = 12345 ( y – 1.2345 ) 
Identify the location of point E under the transformation (x 2 + 3, . . .
Which equation represents line L?
Identify the point of intersection of the parallelogram's diagonals.
Find X
Find the expression that is INCORRECT.
Find X, if X > 0
Find the sum of all the elements of this finite geometric sequence: 1, 2, 4, . . .
How much does the maximum value of 1-sin(x) exceed the maximum value of . . .
Find x.
The product of 4 consecutive integers is 840. Find the first of these . . .
Two candles are of the same height. One burns in four hours, while the other . . .
In Morse code, each symbol is either a dot or a dash. How many different . . .
Which point is closer to the origin (0,0)?
Which point does NOT belong to the line y = 3 + 0.25 x ?
How many numbers from 1 to 111 inclusive are equal to the cube of an integer?
What is the least positive integer n such that 1 + 2 + . . . + n > 999
What number divided by 1001 is the same as that number minus 1001?
One apple and one banana together cost $3. One apple and one carrot together . . .
You have two buckets. The first bucket contains 5 liters of water and the . . .
Find the last digits of the product. (7 x 5 x 4 x 5 x 3 x 1)33 
A is the set of all points (x,y) in the shaded region. Find the set . . .
The last digit of the number 444 is:
A perfect cube is an integer whose cube root is an integer. For example, 64 . . .
Anna used 189 digits to number the pages in her diary. How many pages does . . .
100% of 90 girls and 90% of 100 boys have shown up in the concert hall on time. . . .
Engineers at a race company make three discoveries. The first invention saves . . .
The average age of all teachers and students in a school is 15. The average . . .
One pipe can empty a pool 5 times faster than a second pipe. When both pipes . . .
The sum of the ages of four sisters is 30. The sum of their ages four years . . .
What is x?
Find the value.
A retailer offers a 25% discount off the normal price of a wooden puzzle. She . . .
Mrs. Smith puts $10,000 into a saving account that earns 2% interest compounded . . .
James has scored an average of 10 on his first 10 tests. What score should he . . .
Gerry earns 9% commission for each camera sold. Today, he earned $44.1 . . .
In a shop, two liters of water costs $1, two liters of natural syrup cost $21, . . .
Which step is the flaw in the proof?
How many integer solutions does the expression have?
Jane drinks only 2% fat milk. There are only 4% fat milk and 1% fat milk in a . . .
The scale of a map is 1:20 000. The distance is measured as 5 centimeters on . . .
What is the greatest number of circles that can be placed around the central . . .
Anna has made puzzle pieces by cutting wedges from a disk. Each wedge cut from . . .
Sixty-four coins are melted down and recast as a single coin of the same . . .
The diameter of the rear wheel of a circus bike is 99 cm. It is 1 cm smaller . . .
Rectangle ABCD contains five small congruent rectangles. The smaller dimension . . .
A diagonal is a line joining two non-consecutive vertices of a polygon or . . .
ABCD is a rectangle. E, F, G and H are midpoints of AO, BO, CO and DO . . .
Which is the front view of the 3-D shape?
Which shape was proportionally enlarged, turned, and moved to the point O?
Which fraction of the design is white?
How many lines of symmetry does a circle contain?
What is the volume of the figure? 
Which rays on this picture appear to intersect?
Shapes A and B are congruent equilateral triangles. Shape C is formed by . . .
The diagram illustrates a row of three squares formed by matches. How many . . .
A quadrilateral is any four-sided figure. How many quadrilaterals are there . . .
The big square has a side length of 1. Its sides' midpoints are connected to . . .
How many planes of symmetry does a brick have?
The picture shows two identical squares with sides that have a length of 1 . . .
Two lines and two diagonals are drawn through the center of the rectangle. . . .
The Earth's diameter is 12,700 km. The horizon is 11 km from the top of a . . .
How many equilateral triangles can you create using six identical matches? . . .
Four towns are situated at the corners of a square. The government decided to . . .
What is the volume of the object?
How many squares can be placed inside the circle without intersection?
Which of the nets can be folded into a box with a red ribbon printed . . .
The blocks of ice are of the same height and depth. Which assembly melts . . .
Egyptian pyramids are square pyramids. Which of the following nets can be . . .
The figure shows an example how a 3x4 net can be covered by L-shaped figures. . . .
A square is inscribed in a triangle. Find the length of the side of the . . .
The figure shows a regular hexagon. What is the area of the red part as a . . .
A semicircle is inscribed in the right
triangle. Find the radius of the . . .
A point of the square grid is chosen to form an isosceles triangle together . . .
Eugenia discovered round ink spots on her music paper. Which music paper is . . .
What is the greatest number of possible points of intersection of four . . .
The smallest apple weighs 100 grams. The largest apple has a perimeter 10% . . .
I want to place together five identical shapes without overlapping them to form . . .
The left picture shows nine dots arranged in a 3 x 3 square. The dots are . . .
Anna takes a rope that is 16 meters long and creates a square. Bob takes the . . .
Which of these diagrams could be drawn completely without lifting the pen off . . .
For what value of x is the ratio between the red and blue areas at its . . .
What fraction of the large equilateral triangle is colored?
Which of the following graphs shows the dependence "square side length Y - its . . .
Seven squares with side length of 1, 2, 2, 2, 3, 4, and 5 units can be fitted . . .
The area of the white cross is 20% of the area of the square flag. Five white . . .
A Heronian triangle is a triangle whose side lengths and area are all integer . . .
I arrange 10 points so that 3 lines each go through 4 points. I would like to . . .
The top of a rectangular box has an area of 20 square meters, and two sides . . .
What is the probability that a point chosen randomly from the interior of an . . .
This shape was formed by removing a small cube from a big cube. The side . . .
I want to cut a wooden cube that is four inches on each side into 64 one-inch . . .
I cut a pyramid from a brick as shown in the picture. What part of the brick . . .
What is the probability that a point chosen randomly from the interior of a . . .
A rectangle has a width of 0.7x and a length of 0.4x. Which formula is the . . .
An arrow rotates 372° in one second. How many revolutions does it make in . . .
A boy is making boxes from cardboard. He is going to cut square pieces off . . .
The American flag consists of thirteen equally spaced, horizontal red and white . . .
A sculptor cuts a cube with a plane. What is the maximum number of possible . . .
A bug walks from corner A of a room to corner B by only moving along the walls. . . .
Connect 7 points on the circumference of a circle. What is the largest number . . .
All angles are right and the lengths of the sides are given in miles in the . . .
How many triangles with a perimeter 8 units have all side lengths that are . . .
A regular polygon has some perpendicular sides and some parallel sides. . . .
If a square is four and a triangle is three, how many is a regular star?
What is the absolute difference between the largest and smallest possible . . .
What is the volume of a right rectangular solid with face areas of
12, 21, and . . .
An aquarium has a water surface area of 10,000 cm2. I put a brick . . .
A piece of wire 75 cm in length is cut into two parts, one of them being 30 cm . . .
Estimate the ratio of the circumference c to the diameter of the circle . . .
Find the ratio of the areas of the large and small equilateral triangles.
A photograph is placed in a frame that forms a border 2.5 cm wide on all sides . . .
I divided a 3 x 4 square into 6 squares. What is the smallest number of . . .
A wooden empty box weighs 80 pounds. How much will another box of the same . . .
The picture shows a polygon with 7 sides and 5 right angles. How many . . .
There are 17 parallels and 12 meridians on a globe. Into how many areas is the . . .
What is the difference between the red area and the blue area if the numbers . . .
What is the side view of the three-dimensional object?
Swiss village Saas-Fee is entirely pedestrian and serviced by electric taxis . . .
The sum of the perimeters of three rectangles is 172cm. What is the largest . . .
I want to wrap 30 wooden cubes. Which packaging uses the least package?
Gerry frequently goes from his home to Jane's house, which is 4 miles away. . . .
Triangle ABC is equilateral. What is the ratio of the red and blue areas if . . .
What is the sum of the interior angles of a pentagon?
A team of archaeologists is exploring an underground complex on a remote . . .
A shop owner installs a security camera on the ceiling of his shop. The camera . . .
How many diagonals can I draw in an octagon? 
The slice that has been eaten had 11 mushrooms on it. What is the estimated . . .
The population of Funnytown increased from 9,999 people in 1999 to 11,111 in . . .
Bob is rolling two dice and adding the numbers on the top faces. What sum is . . .
The average of eleven numbers is 9 and the average of another set of nine . . .
What is the probability that the x-coordinate of a point randomly selected . . .
The average (arithmetic mean) of the 9 numbers is 60. Which pair of numbers . . .
The average (arithmetic mean) of a set of 10 different numbers is 100. If the . . .
In a class, 90% of the students earned A-grades on the first test, 80% earned . . .
Three boxes contain two coins each. One contains two nickels, one contains . . .
Everyone in tenth grade classes voted on a motion. Sixty percent of the girls . . .
John earned an average of 80% on his five exams. What is the lowest possible . . .
By drawing two marks on a wooden ruler, we can measure 1, 2, 3, 4, 5 and 6 . . .
What is the difference between the sums of numbers in the sixth and third . . .
Statistics at statemaster.com shows the numbers of elementary and secondary . . .
The Smiths and Petersons went out to dinner. The two couples chose a round . . .
How many different lines can you draw through N points that are evenly spaced . . .
In how many different ways or orders can four people line up?
A pass code must comprise four different numbers from 0 to 9. How many . . .
There are 4 male and 3 female players on a national tennis team. How many . . .
How many times in a 12-hour period does the sum of the digits on a digital . . .
Bob the plumber has 10 pockets and 60 nuts. He wants to put the nuts in all . . .
A frog jumps one meter 3 times, and every time he randomly chooses one of four . . .
Henry has 100 roses. He gives them to his dancing partners in such a way that . . .
The Venn diagram shows the result of a survey of 80 students. It indicates . . .
I put 100 pennies, 20 nickels, 10 dimes, and 4 quarters in a bag. I take 4 . . .
This is a standard set of dominoes. One domino has no spots and the greatest . . .
Place the number tiles in the squares so that no two consecutive numbers are . . .
John sent an email to his three partners. Everybody answered and copied the . . .
There are four referees on a rectangular pitch, with one at each corner. They . . .
There is a legend that a stork brings babies to a village. All parents . . .
I arranged eight wooden sticks in the shape of a fish. What is the minimum . . .
I have four boxes, each containing identically shaped balls: one of them is . . .
In a bakery store, 400 customers participated in a survey on Tuesday. On . . .
There are 9 children in a class and each knows a different piece of a short . . .
How many times heavier than a rabbit is an elephant?
The binary numeral system represents numeric values using two symbols: 0 and 1. . . .
I plan to roll a die 10 times. Which of these results is more likely?
Bob shaves himself 4 minutes per day. If he lives 70 years, what is the . . .
There are 10 green and 10 red jellybeans in a jar. If I randomly remove 2 . . .
The national debt of a country is $16.5 trillions. It has a population of 300 . . .
What is the logic behind? What is the correct answer?
A two-digit integer is 4.5 times larger than the same number read from right to . . .
Five percent of the marbles in a jar are black. One fourth of the marbles . . .
A bag contains 6 green, 5 gray, and 4 violet disks. If a disk is drawn at . . .
The first person is 100 cm tall. Each next person is 10% taller than the . . .
Four kinds of apples are combined in a box. I select apples from the box . . .
As each of five eggs is weighed, the average weight increases by two grams each . . .
John arrives at a crossroad A from the North. He makes moves each time . . .
99 numbers have an average of 100. Ninety of these numbers have an average of . . .
The average of a set of 12 numbers is 1. If 18, 35 and -20 are added to the . . .
I have ten dimes; nine are real, and one is fake. Whenever a real dime is . . .
A chip is placed at the bottom left corner square of a 5 x 5 grid. The chip is . . .
There are six traffic lights on Speedup Avenue. In how many ways can the . . .
Three apples were weighed in pairs and the weights were 200, 212, and 224 . . .
Four bugs are at the four corners of an equilateral tetrahedron. Each bug . . .
How many coins must you move to form two infinite lines, each with exactly five . . .
Order the shape by weight from lightest to heaviest.
There are 21 cubes in the 6-cube tower. What is the height of a tower made . . .
The amount of water flowing into a tank doubles every minute. The tank is full . . .
Seven soldiers have lined up in order of height, tallest to shortest. They . . .
The average IQ of 10 students is 101. If nine of these students each have an . . .
In a country, there is a baby born every 20 seconds, 1000 deaths every day and . . .
When 4 coins are tossed, what is the probability that exactly one is a head?
Jane picks a random integer between 1 and 5 (inclusive) and Gerry does the . . .
If the ratio of men to women in a company is 5 : 7, which of the following . . .
How many different bracelets can you make from four beads?
The letters A, E, I, O, and U are vowels. Which word includes the largest . . .
If you toss eight dimes and three of them land heads up, what are the chances . . .
If I roll three dice, what is the probability of rolling a six on at least one . . .
A survey shows that 85% of the population of a country speak English, 75% of . . .
Jane and Gerry work at a call center selling worthless rubbish to unsuspecting . . .
If Alex gets 90% on her math test, Beatrice gets 90% of Alex's results and . . .
When the ball hits the ground, it bounces back up to half its original height. . . .
A river boat travels 2 km in 12 minutes with the current and 1 km in 18 minutes . . .
Three 250-ml glasses contain orange juice. The first one is 2/3 full, the . . .
Three referees A, B and C are at the corners of a rectangular field. At . . .
What is the sum of 99 consecutive positive integers if the middle one is n? 
How many positive integers less than 111 are evenly divisible by either 2 or 3, . . .
Many people stand in a line (queue) to buy tickets to a match. There are . . .
The sum of the consecutive integers from -33 to X, inclusive, is 105. What . . .
In the first week John made $1. He made 5 times more than the previous week . . .
I don't quite remember my five-digit password. The first and last digits are . . .
What is the condition for the smallest ten-digit integer that has only two . . .
Anna traveled 3600km in a car. She had six tires and changed them such that . . .
There is a total of 6 squares whose vertices are points on the rectangular 3 x . . .
Gentlemen are evenly spaced in a circle and the 11th gentleman is directly . . .
Based on 20 years per generation, estimate the number of ancestors you had 220 . . .
What number should replace the question mark?
From the offered options select the picture that logically best fits to the . . .
Three children and two adults want to cross a river. Their boat can carry . . .
For what value of x does the algorithm say C?
How many times do the two hands of a clock point in the same direction between . . .
Three white hens and four black hens lay as many eggs in five days as two white . . .
I have a collection of 44 songs that are each 4 minutes in length and 55 songs . . .
A farmer puts several pigs into three pens. None of the pens is empty. All . . .
Please make 121 by using three 5s. You can use any math operator that you . . .
Three mentors and four apprentices produce as many devices in five days as two . . .
If a hen and a half lay one half of an egg in two days and a half, how many . . .
Find a phrase that differs from the others.
Logic riddle In a house, there are three switches on the ground floor for . . .
A lot of money is in a box. None or just one inscription on the boxes is . . .
I took several pieces of fruit from the bowls. All of them are cherries . . .
You are shrunk so that your height is equal to the diameter of a dime (a . . .
In a group of 27 people, 17 have studied Japanese, 7 have studied Chinese, and . . .
A melon slice weighs 5kg, and 92% of the weight is from water. After lying in . . .
John's dad pays him 75 cents for each correct answer he provides in his math . . .
How many generations forward must you go in order to have more than five . . .
For every birthday of John's life he puts as many dollars in a piggy bank as . . .
Anna's income is seven-eighths that of Beatrice. Anna's expenses are . . .
Mr. Smith can read 1 page in 2 minutes. His wife can read 2 pages in 3 minutes. . . .
An analogue clock loses 9 minutes each hour. If the clock is set correctly at . . .
Yellow Taxi Service charges $1.50 for the first mile and $.78 for each . . .
The product of 2 integers is 1200. Find the smallest possible sum of these . . .
There are 20 balls in the box. X of them are white. When we add 10 white . . .
There are four brothers in a family. The sums of the ages of three of them are . . .
Bill buys oranges at five for $1 and sells at one for $5. How many oranges . . .
It takes two painters 6 days to paint a house. The older painter would only . . .
A girl is 12 years old. She is three times older than her dog. In how many . . .
Roman numerals are a numeral system of Ancient Rome based on letters of the . . .
Your boss has been told to give you a medal at the end of the day, for each of . . .
Which figure completes the sequence?
A man eats 20 coconuts in 20 days. Together with his wife, they eat the same . . .
I stacked five dice. What is the maximum possible sum of the dots on the . . .
How many words are there in the English language? Guess by using your logical . . .
The price of a computer after discount was $992. If the discount was 20%, . . .
A man and his beloved wife carry a 20kg basket. If the lady carries only 8kg, . . .
What is the total surface area of 28 identical cubes which together have a . . .
Jane pedaled downhill at 20 km/h and it took 2 hours to travel from a Swiss . . .
What is the word coiled inside this circle?
Anika solves 10 problems, 80% of them correctly, in 20 minutes. James solves . . .
How many students are there in Evguenia's class, if 5% of the students have . . .
How long is a rope that is 8 meters shorter than another rope that is 5 times . . .
How much are 33 cacao bags (of 44kg each) worth, if 10kg costs $55?
Five teams of 4 students each met in a competition. Each student shakes the . . .
What team do you join to get the greater amount of melon?
There are 2 matches. What is the least number of matches that can be added to . . .
Evguenia's birthday parties are always the same, and always boring. She gets . . .
Leslie Green asks Some forms of loans are more iniquitous than . . .
In a particular city it is illegal for those aged over 18 to consume children's . . .
Would you rather work five days at $120 per day or be paid $20 the first day . . .
There are 4 playing cards face up in a line on a table. Each of the cards has a . . .
What is the main difference between the pictures on the left page and on the . . .
What is the main difference between the pictures on the left page and on the . . .
What is the main difference between the pictures on the left page and on the . . .
There’s a tennis tournament with one hundred players. How many matches does . . .
Gerry picks up several coins from the pirate chest. All but 5 have an eagle. . . .
The wages of 8 workers for a five-day week is $ 6,000. What are the one day’s . . .
They said their names. The girl said "My name is Taylor." The boy said "My . . .
Jane has 34 apples. Two apples can be traded for 1 mango, and each mango can be . . .
In a basketball tournament, a team must be defeated twice to be eliminated. . . .
The cross-section of the identical arc stones is a trapezoid with three equal . . .
The diagram shows a road network. All cars drive in one direction from A to B. . . .
I would like to rearrange the items in the six bins shown on the right to . . .
How many boxes measuring
1 x 2 x 3 can be packed into a container measuring 5 . . .
How many chain links do I need to produce a 2.4-meter chain? All sizes are . . .
To paint four solid white lines and two dashed white lines costs $999.00 per 1 . . .
Where is the center of gravity (center of mass) of the orange shape?
Three boys want to equally share three pancakes. The picture shows the . . .
What is the number of "Friday the 13th" that occur in 2012 if . . .
A total of 321 employees work for company XYZ and two thirds of them are men. . . .
Find the best deal.
The business of company A is 10% greater than the business of company B now. . . .
John is going to repair his house. There are three major activities: . . .
The picture shows a simplified statement of income for company ABC in million. . . .
I have a rectangular piece of cheese with a round hole. What line cuts the . . .
I place 1000 coins in two columns in a wooden box, and they fit nicely as . . .
It costs $27 to paint a cube. Before painting, we divide the cube into two . . .
John works 5-hour shifts at a call center. He earns $5 per hour and $5 per . . .
A city hall floor is to be tiled in the following pattern. The hall measures . . .
Estimate the average width of the lake shown on the right.
In a casino on a Sunday, 90% of the visitors lost $200 each, 9% of the . . .
A girl begins to ascend a mountain from its base at 8:00. She follows a . . .
Andrew is expecting two important 10-minute phone calls today at a randomly . . .
How many 1x1 squares fit into the large square with the side length 3.7? . . .
Water weighs 1000kg per cubic meter at 4 degrees Celsius. Fresh snow that . . .
In 2013, 87.5% of Swiss train passengers arrived at their destination with no . . .
The heights of the masts from the first to the fifth are 32 m, 36 m, 35 m, 32 . . .
You are driving your mother's car home. Make a deal!
In a company all people except “shop workers” have 2 direct subordinates. How . . .
A solid metal ball weighs 9 pounds. How much will another ball of the same . . .
Items accepted by an airline must not be more than 3 x 4 x 12 ft long. What . . .
A girl caught her first fish after 30 minutes of waiting. She caught each next . . .
Seven trees are planted in a park, with exactly 3 meters between each . . .
How long do One Thousand and One Nights last? A Persian king, Shahryar, . . .
Americans measure the temperature in oF. Europeans measure the . . .
The size of most credit cards is 85.60 x 53.98 mm ( 3 3/8 x 2 1/8 in ). . . .
A very old car takes 2 hours 48 minutes to get to my granny's house, 84 km . . .
Two automobiles set off at the same time, one from Vevey and the other from . . .
How many revolutions did the Earth make around its axis in 20th . . .
A shopkeeper of a Dairy stands six feet tall and wears size 13 sneakers. What . . .
In how many ways can Jane put two eggs into the package? The color of the . . .
Leslie Green asks: quot;Endocrinic Igorosis is a horrible . . .
Martin has ten thousand dollars in the Mad Money's bank account. The interest . . .
Granny is making a cookie for each of her 12 children, her 28 grandchildren, . . .
Jane has a 5-liter bucket with 3%-fat milk and 3-liter bucket with 5%-fat milk. . . .
The 52-page newspaper "The Daily Dog News" consists of double sheets. Edgar . . .
Where is the speed of sound the smallest? 1 km = 1000 m = 1000 meters
Lottery 6-digit numbers are from 000001 to 999999. A ticket is considered to . . .