A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

What can jump higher than a building?

What is the next number in this series?

4,12,84,3612....

If it took eight men ten hours to build a wall, how long would it take four men to build it?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

A man dies of old age on his 25 birthday. How is this possible?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

What has lots of eyes, but can’t see?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.