Three squares of a chess board are chosen at random, the probability that two are of one colour and one of another is
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Total no. of outcomes - 6
favourable outcomes - 4
(W,B,B). (W,W,B). (B,W,W). (B,B,W)
Probability__
4/6
favourable outcomes - 4
(W,B,B). (W,W,B). (B,W,W). (B,B,W)
Probability__
4/6
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