The probability that a person will be alive after 20 years is 1 4 and that of his wife is 2 5 Find o...........

Quantitative Aptitude ( CCS) Probability

The probability that a person will be alive after 20 years is 1/4 and that of his wife is 2/5. Find out the probability that both are not alive after 20 years ?

7/20

9/20

11/20

13/20

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Explanation:

Answer & Solution
Answer – 9/20
Solution :
prob. That man is not alive = 3/4 and that of his wife = 3/5
Prob. That both will be dead = 3/4*3/5 = 9/20

By: Sandeep Dubey

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The probability that a person will be alive after 20 years is 1 4 and that of his wife is 2 5 Find o...........

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