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 ?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
1 mobile 3 books 2 roars 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches.

Can you help him in cracking the password?

What can you catch but never throw?

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?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What do you get if you add 2 to 100 four times?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

You need to move three matchsticks to form three squares. Can you do it?