A rook and a bishop are placed at random on an 8x8 chess board. What is the probability that one will be attacking the other.
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Anonymous2007-10-26 16:57
Um, what? Since you can only attack an opponent if you land on his square, the chance is (1/64). For any given, unimportant block the first piece lands on, the second only has a 1 in 64 chance of being put on it.