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UPSC NDA II 2011 Mathematics Paper

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Question : 42

Total: 120

A husband and wife appear in an interview for two vacancies in the same post. The probability of husband's selection is 1∕5 and that of wife's selection is 1∕3. What is the probability that only one of them will be selected?

1∕5
2∕5
3∕5
4∕5

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