How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

I travel all around the world but always stay in the corner. What am I?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

I am lying and I always lie. Tell me whether I am lying or telling the truth.

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

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

What work can one never finish?

I have branches, but no fruit, trunk or leaves. What am I?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?