There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

how come the second man dies?

What begins with T, ends with T, and has T in it?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

How many triangles are there on the puzzle below?

How can one talk without saying a single word?

Where do fish keep their money?

By using 'because' continuously three times, can you make an English statement ?