1.

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.

Answer»

A.`21/32`
B.`5/32`
C.`15/32`
D.`12/35`

ANSWER :B


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