A+Click:Think Outside The Box
How many letters are there in the correct answer . . .
The number of hours left today is half of the . . .
Brad has as many brothers as sisters. How many . . .
If you write all numbers from 0 to 109, which . . .
The product of three consecutive whole numbers is . . .
A melon slice weighs 5 kg, and 95% of the weight . . .
Four friends tried to guess the number of sheep . . .
Alex needs six tacks to fix two rectangular . . .
Five students put their sandwiches into five . . .
Fifteen numbers have an average of 15. Five of . . .
Anna's income is seven-eighths that of Beatrice. . . .
How many times do the clock hands form a . . .
The last digit of the number 333 is:
How many planes of symmetry does a cube have?
The number 99! is very big. How many zeros are . . .
I roll two dice. What is the probability that . . .
How many squares can you make using twelve . . .
You take half of syrup and mix it with the water, . . .
Find the hundreds digit (third digit from the . . .
The product of 2 integers is 1000. Find the . . .
A lady, attempting to avoid revealing her real . . .
It costs $24 to paint a cube. Before painting, . . .
What is the smallest integer that is 4 times the . . .
Twelve couples met at a party. Each person . . .
What is the units digit of 1! + 2! + 3! + ... + . . .
There are four brothers in a family. The sums of . . .
The left picture shows nine dots arranged in a 3 . . .
Two princes and two princesses are ready to . . .
Which shape fits in the missing space to complete . . .
A password includes only two different digits. . . .
The picture shows a tiling pattern which is made . . .
Which of these diagrams could be drawn without . . .
I wrote all the numbers from 0 to 999. Which . . .
The diagram shows 15 billiard balls that fit . . .
Which of these diagrams could be drawn completely . . .
There are 10 girls and 10 boys in a class. A . . .
How many ways can one travel from point H to . . .
Multiply all positive two-digit numbers. How . . .
You have four piles: three piles with real coins . . .
Benny Bunny starts jumping from a hole. Every . . .
How many times do the two hands of a clock point . . .
After a gun fired in a saloon, 75% of the cowboys . . .
How many zeros are there at the end of . . .
It takes 2 cards to build 1 floor of a card . . .
I must balance any whole number load from 1 kg to . . .
Based on 20 years per generation, estimate the . . .
What is the sum of all the digits (not numbers) . . .
Two dice are thrown. Two numbers are . . .
Two cards are randomly chosen. Two numbers are . . .
What is the average of the smaller of two random . . .
What is the average of the smaller of three . . .
Three white hens and four black hens lay as many . . .
How many seconds were in 2012?
A kitten has a 50/50 chance to be male or female. . . .
Which is the sum of all digits of the decimal . . .
2889 digits are used to number the pages of a . . .
A jigsaw puzzle consists of 250 identical pieces . . .
Bob the plumber has 10 pockets and 60 nuts. He . . .
How many three-digit multiples of 7 end with . . .
How many three-digit numbers containing only even . . .
What is the largest digit in the product of . . .
What is the maximum number of pieces that an . . .
What is the smallest positive integer that has 12 . . .
What is the number of "Friday the . . .
What is the largest product of positive integers . . .
What is the sum of all 5-digit integer numbers . . .
What is the probability that a point chosen . . .
A farmer puts several pigs into three pens. . . .
How old is the eldest sister if the product of . . .
How many integers from 1 to 100 can be written as . . .
San Jose Scrabble(r) Club No. 21 published a . . .
Three apples were weighed in pairs and the . . .
Thinking outside the box: 52 - 28 = 4 . . .
This shape was formed by removing a small cube . . .
Which gives the largest answer?
In a city Konigsberg, there were seven bridges. . . .
Large individual letters are differently priced. . . .
In a city, there were seven bridges. There was . . .
Four matchsticks form a square. How many . . .
I arranged eight wooden sticks in the shape of a . . .
Three mentors and four apprentices produce as . . .
The date July 31, 1370 in MM/DD/YYYY format is a . . .
Guesstimation. How many tennis balls can fit . . .
Which number comes next? 2, 12, 1112, 3112, . . . .
What is the maximum number of apples (ideal . . .
How many different cubes can I make by using six . . .
On an island, all parents continue to have . . .
A sphere fits inside a cube. The maximum possible . . .
Find a phrase that differs from the others.
I want to measure exactly six minutes from the . . .
I want to cut a wooden cube that is five inches . . .
I arranged twelve one-inch wooden sticks in a . . .
You have 240 golden bricks identical in size and . . .
Logic puzzle: a secret door. A man approached . . .
The difference between a two-digit number and the . . .
Find the angle between two diagonals drawn on two . . .
I have four boxes, each containing identical . . .
In a bakery store, 400 customers participated in . . .
An entrepreneur wants to hire the best person for . . .
Logic riddle In a house, there are three . . .
How many three-digit numbers have exactly five . . .
One hundred soldiers form a 10 x 10 square. . . .
There are 9 children in a class and each knows a . . .
Find the odd one out.
On average there are 100,000 strands of hair on a . . .
What is the next letter in this series?
What is the smallest number of matchsticks you . . .
You are shrunk so that your height is equal to . . .
I have a rectangular piece of cheese with a round . . .
A donkey must transport 900 carrots to the . . .
Make two fractions with all the digits from 0 to . . .
A magician placed 3 bowls of fruit in 3 closed . . .
It takes exactly 1 hour to burn a rope when I . . .
I place 1000 coins in two columns of a wooden . . .
What is the average of the largest of N random . . .
Logic riddle: In a house, there are three . . .
Benny Bunny starts jumping from a hole. It . . .
Six goldfish need 2/3 of a cup of fish food per . . .
Which city is the odd one out?
What word has letters that are not in . . .
Is it legal for a man in Montana to dance with . . .
If you rearrange the letters NAMELESS, you would . . .
Logic puzzle. Only the first and last letters of . . .
A pyramid and a tetrahedron with edges of the . . .
"Three sailors come across a pile of coconuts. . . .
I take half of the coconuts plus a coconut. . . .
I want to measure exactly six minutes using only . . .
I need 1 + 9 + 25 = 35 cubes to build a pyramid . . .
If you wrote all the whole numbers from 1 to . . .
Mount Everest is the Earth's highest mountain . . .
If you rearrange the letters NAPDOL, you would . . .
If a square is four and a triangle is three, how . . .
I place 11 chairs along the walls in an empty . . .
The Lucas problem. François Édouard Anatole . . .
A man eats 20 coconuts in 20 days. Together with . . .
There are 12 people in a village. They have 12 . . .
Vladimir Arnold (1937-2010), one of the greatest . . .
Inspired by Morozkin's problem : Two children . . .
1 gives 2 2 gives 6 3 gives 12 4 gives 20 . . .
A committee consists of 7 people. The committee . . .
A CEO of the start-up company Big Money, James . . .
Guesstimation A man can jump up to four times . . .
Thinking outside the box: Which statement is . . .
Job interview logic puzzle in a bank. Which of . . .
Wikipedia says that the equator is about 40,075 . . .
Which number goes next? 1 3 6 10 ?
How many 1x1 squares fit into the large square . . .
What is the 100th positive integer . . .
Anna and Bill roll a six-sided die. The first . . .
There are 190 coconuts in a basket. Sailors one . . .
The weights of each pair of these boxes are 98 . . .
If regular stars are placed as shown to form a . . .
In a game, Anna and Bill take 1, 2, or 3 coins on . . .
What fraction of this regular octagon is shaded?
You can throw an unlimited number of darts at the . . .
How many sets of three consecutive integers whose . . .
In a city, sixty percent of the men are married . . .
Which year has had the greatest number of Roman . . .
How many "yes or no" questions are needed to . . .
Which result ends in exactly seven zeroes. . . .
The product and sum of two positive integers X . . .
The wind in the open-air swimming pool increases . . .
Which point cuts the rope into two equal parts?
You roll two dice. Estimate the expected value . . .
If John walks up an escalator at a rate of one . . .
Two proofreading programs, A and B, discovered 30 . . .
On an island, three-quarters of the men are . . .
After a test of a code, John detected 2 errors . . .
If you were to spell out the numbers, how far . . .
A father has left 47 donkeys for you to . . .
Find the logic: 12345678 -> 4 234567 -> 2 3456 -> . . .
One quarter of the competitors were faster than . . .
Which numeral system states that 7 + 6 = 15
One by one, 40 cars enter a company parking lot . . .
Five students Anna, Bill, Craig, Daniel, and . . .
You pay $6 to enter a game. You roll 2 dice. . . .
How many uninteresting numbers exist? The . . .
Share $10 among boys and girls so that each girl . . .
How many sets are there of three consecutive . . .
If the sum of 999 positive integers is equal to . . .
What is the maximum possible difference between . . .
What gives the largest result?
The difference of two positive integers is equal . . .
Find the product of 111,111,111 x 111,111,111
The amount of water flowing into a tank doubles . . .
A pirate boat is floating on a lake. The pirates . . .
I have 33 coins. What is the minimum number of . . .
There are 5 children in a boat. Four of them do . . .
The product of two integers is 1000. Neither of . . .
Len's number is 31. Jim's number is 32. Sam's . . .
Seven trees are planted in a park, not closer . . .
Which is a better fit? The smaller the . . .
Once upon a time, there were three little pigs - . . .
"This is a capital letter of the alphabet that's . . .
I multiply the ages of three kids and get 48. . . .
What is the most money you can have in $1, $2, . . .
Three overlapping squares form 5 squares . . .
You have a large supply of 5 kg and 12kg weights. . . .
The diagram shows the lowest point and the . . .
A car traveling with speed 12 meters per second . . .
If I place a pair of brackets in to this number . . .
If each coconut is priced at $9, then the . . .
Bob used to weigh 100 kg. His new stressful job . . .
I composed the numbers from strips of paper. . . .
I composed the numbers from strips of paper. . . .
Which number required the most paper?
Which is correct?
If January 1st, 2014 was Thursday, how many . . .
Gerry's circular garden is 1200 m in diameter and . . .
What is the maximum number of sections into which . . .
How many 9s are there in the result of the . . .
How many 1s are there in the result of the . . .
If Gerry gives Jane one apple, they will have the . . .
After an hour, Evguenia catches and frees 10 . . .
Which regular shape cannot be used to tile a . . .
How many squares of all different sizes are on a . . .
What is the word coiled inside this circle?
Which of the following is least like the others?
How many letters are there in the word that all . . .
Three positive whole numbers have the same answer . . .
A grandmother prepared bowls with fruits for her . . .
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