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 ?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

I cannot talk, but I always reply when spoken to. What am I?

Can you count the number of squares in the given picture?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

what does this below rebus represent identXQQQQQME

If six children and two dogs were under an umbrella, how come none of them got wet?

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?