What is the fastest way to double your money?

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

Why is it very easy to weigh a fish?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

When it's bad luck to meet a black cat?

Find the missing number in the image below.

Can you divide the below-given shape into four equal and identical pieces?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

Which English verb becomes past tense just by rearranging the letters?