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The odds against a husband who is 50 yea...

The odds against a husband who is 50 years old, living till he is 70 are 7:5 and the adds against his wife who is now 40, living till she is 60 are 5:3 Find the probability that the couple will be alive 20 years hence.

A

A. `21/32`

B

B. `5/32`

C

C. `15/32`

D

D. `12/35`

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The correct Answer is:
B
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