When my father was 31 I was 8. Now he is twice as old as me. How old am I?

What is the last thing you take off before bed?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

A bomb exploded in a room full of married couples and no one died. How?

The more you take me, the more you leave me behind.
Who Am I?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?