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SSC Important Update Selection Post Phase ix Exams Postponed in 5 States

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A husband and his wife appear for an interview for two posts. The probability of husband's selection is (1)/(7) and that of wife's selection is (1)/(5) . What is the probability that only one of them is selected ?

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 ?

There are 4 candidates for the post of a lecturer in Mathematics and one is to be selected by votes of 5 men. What is the number of ways in which the votes can be given ?

A husband and wife appear in an interview for two vacancies for the same post. The probability of husband’s selection is 1/7 and that of wife’s 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?

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