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View Full Version : Permutationand Combination


pawel
Oct 17, 2007, 05:17 AM
How many different squares are there on a chessboard?

Curlyben
Oct 17, 2007, 05:27 AM
Well there's THREE different types.
Black, white and the board itself!

ebaines
Oct 17, 2007, 06:31 AM
There are 64 1x1 squares , plus 49 2x2 squares, plus... plus 1 8x8 square. Add them up for your answer.