The sum of ages of a father and son is 45 years. Five years ago, the product of their ages was four times the father’s age at that time. The present age of the father is

The sum of ages of a father and son is 45 years. Five years ago, the product of their ages was four times the father’s age at that time. The present age of the father is

A 39 years

B 36 years

C 25 years

D 42 years

Solution

Correct Answer: Option B