If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

What goes up but never comes down?

If eleven plus two equals one, what does nine plus five equal?

Katniss and Peeta are liars. They both lie on some specific days.

Katniss lies on Fridays, Saturdays and Sundays. She speaks the truth on all other days.

Peeta lies on Tuesdays, Wednesdays and Thursdays. He speaks the truth on all other days.

Can you tell that one day of the week when both of them will say "Tomorrow, I will lie."?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

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

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111