What can go up a chimney down, but can’t go down a chimney up?
What does this mathematical rebus means ?
How many bananas can you eat if your stomach is empty?
If you say my name, I will no longer exist. What am I?
Until it is measured, not known. Yet how you miss it when it has gone. What is it?
The ages of a father and son add up to 66. The father's age is the son's age reversed. How old could they be? (3 possible solutions).
When we see 2 but call 10?
A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it. How can he do that?
There was an aeroplane crash, every single person died, but two people survived. How is this possible?
The more you take me, the more you leave me behind. Who Am I?
You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.
