A husband and wife appear in an intervie...

A husband and wife appear in an interview for two vacancies for the same post. The probability of husbands selection is 1/7 and that of wifes selection is 1/5. What is the probability that Both of them will be selected? Only one of them will be selected? None of them will selected?

`(1)/(7)`

`(2)/(7)`

`(3)/(7)`

None of these

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TARGET PUBLICATION-PROBABILITY-COMPETITIVE THINKING (ADDITION THEOREM AND CONDITIONAL PROBABILITY)

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