The probability that a man will be alive for 25 years is 3/5 and the probability that his wife will be alive for 25 years is 2/3. Find the probability that only the man will be alive for 25 years.

2/5

1/5

3/5

4/5

Correct Answer : B

The probability that a student is not a swimmer is 1/5. Then the probability that one of the five students, four are swimmers is:

What is the probability of getting a sum 9 from two throws of a dice?

Sum of digits of a 5 digit number is 41. Find the probability that such a number is divisible by 11?