Reenu’s age after 6 years will be three-sevenths of her father’s age. 10 years ago, the ratio of their ages was 1:5. What is Reenu’s father’s age at present?

A man’s age after 15 years will be the square of his age 15 years ago. What is his present age?

The sum of the present ages of a father and a son is 45 year. 5 year ago, the ratio of their ages was 6:1. Find the current age of the father

The ratio of the ages of a father and his son is 17:7 respectively. Six years ago, the ratio of their ages was 3:1 respectively. What is the father’s present age? a. 64 years b. 48 years c. 51years d. cannot be determined e. none of these