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The probability that a man will live 10 ...

The probability that a man will live 10 more years is `1//4` and the probability that his wife will live 10 more years is `1//3`. Then the probability that neither will be alive in 10 years, is

A

`5/12`

B

`7/12`

C

`1/2`

D

`11/12`

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The correct Answer is:
C
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