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[" In a room there are "6" couples.Out o...

[" In a room there are "6" couples.Out of "],[" them if "4" are selected at random,the "],[" probability that they may be couples "],[" is "],[" a) "(4)/(33)],[" b) "(2)/(33)],[" C) "(1)/(33)],[" d) "(3)/(33)]

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