Prove that twice of ten is the same as twice of eleven.

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

A journalist was investigating a sacred cult in the jungles of Africa when he was caught by one of the person. He was confined in a cave till the leader arrived. The leader told him that he need to tell him a statement. If he thinks the statement is true, then the journalist head will be chopped off. If he thinks that the statement is false, his head will be smashed with a hammer.

What statement did the journalist make to survive?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

How many squares, of any size, can you find on this chessboard which do not contain a Rook?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

Take away the whole and some still remain. What is it?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

If Japan and Panama decided to merge into a single country, probably people will name it Japanama.

Can you think of two more such country's unions that could produce similar names like Japanama by overlapping their three letters?