Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

You are playing as white and given four rooks to checkmate the black king in four moves with the following rules 1. You can place one rook every move and ensure the black king should be in check position.2. After four moves the black king should be in the checkmate position.

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

Can you solve the below geography rebus by decoding the below rebus ?

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

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

81 x 9 = 801. What must you do to make the this equation true?

With the help clues provided in the image, can you find the 5 digit key?

What is the centre of gravity?