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 ?

Imagine you are in a room with no windows or doors. How will you get out?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

In a fruit store, there was a unique weighing machine that was made to weigh only cherries and strawberries as they were priced the same.

Other fruits like watermelons or mango had different machines as they were expensive.

A man successfully buys watermelons at the price of cherries. How?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

What has no start, end, or centre?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

Can you make a six-letter word using the letters N, A and B ?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?