The probability that a man will be alive for 10more yrs is 1/3 & the probability that his wife will alive for 10 more yrs is 5/8. The probability that none of them will be alive for 10 more yrs, is	Choose the correct choice from the following
A) 1/8
B) 1/4
C) 2/3
D) 3/4
E) 2
Sol. Required probability = Pg.) x P(1/4) = (1— D x(1 —I) =: x 1=1/4   Ans.(1/4)
<result>B</result>
The probability that a man will be alive for 10more yrs is 1/3 & the probability that his wife will alive for 10 more yrs is 5/8. The probability that none of them will be alive for 10 more yrs, is