In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

What came first, the chicken or the egg?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

When monkey rotate the gear, which mark will be hit 1 or 2 ?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

what's the probability of getting a king or a queen from a pack of 52 cards?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

You can see it everyday, But cannot touch it at will. What is it?