There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

Take one out and scratch my head, I am now black but once was red. What am I?

A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

What has no start, end, or centre?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

They are three errirs in this question. Can you find them?

Can you solve this picture maths equation?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?