When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

What number when divided in half becomes zero?

Using Only Five 5's and any mathematical operator make sum as 37

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

It belongs to you, but other people use it more than you do. What is it?