What building has the most stories?

What always comes into a house through the keyhole?

Decode this picture on T-Shirt and tell what it says ?

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 ?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

What is the unique property of the following words ?
* Revive
* Banana
* Grammar
* Voodoo
* Assess
* Potato
* Dresser
* Uneven