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?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

You bought me for dinner but never eat me. What am I?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

Why do we preferably have round manhole covers and not square ones?

I am sure no one can have two things for dinner. what are they?

I am an odd number. Take away a letter and I become even. What number am I?