A man and his wife appear for an interview for two posts. The probability of the husband's selection is \[\frac{1}{7}\] and that of the wife's selection is \[\frac{1}{5}\]. What is the probability that only one of them will be selected [AISSE 1987; DSSE 1979, 81, 84]

A man and his wife appear for an interview for two posts. The probabil

1.	A man and his wife appear for an interview for two posts. The probability of the husband's selection is \[\frac{1}{7}\] and that of the wife's selection is \[\frac{1}{5}\]. What is the probability that only one of them will be selected [AISSE 1987; DSSE 1979, 81, 84]
A.	\[\frac{1}{7}\]
B.	\[\frac{2}{7}\]
C.	\[\frac{3}{7}\]
D.	None of these
Answer» C. \[\frac{3}{7}\]

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A man and his wife appear for an interview for two posts. The probability of the husband's selection is \[\frac{1}{7}\] and that of the wife's selection is \[\frac{1}{5}\]. What is the probability that only one of them will be selected [AISSE 1987; DSSE 1979, 81, 84]

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