SOLUTION: In how many ways is it possible to choose a white square and a black square on a chess board so that the squares must not lie in the same row or column??

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Question 922345: In how many ways is it possible to choose a white square and a black square on a chess board so that the squares must not lie in the same row or column??
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
There are 32 white squares we can choose. For each white square, there are 4+4 = 8 black squares that lie in the same row or column, so 24 black squares do not lie in the same row or column. 32*24 = 768