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There are only two women among 20 persons taking part in a trip. If 20 persons are divided into two groups, each group consisting of 10 persons, then the probability that the two women will be in same group, is |
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Answer» There are only two women among 20 persons taking part in a trip. If 20 persons are divided into two groups, each group consisting of 10 persons, then the probability that the two women will be in same group, is |
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