The present age of a father and that of his son are in the ratio `7:1`. After 4 years, the ratio will be `4:1`. What is the son's present age (in years) ?

The present ages of a father and son is in the ratio 3:1. After 14 years,the ratio is 2:1. Then find their present ages.

The sum of the present ages of a father and his son is 78 years. After six years, the ratio of their ages becomes 6 : 3. What is the present age (in years) of the father?

The ratio of the present ages of a son and his father is 1:5 and that of his mother and father is 4:5 After 2 years the ratio of the age of the son to that of his mother becomes 3:10 . What is the present age of the father ?

The ratio of the ages of father and son at present is 6: 1. After 5 years the ratio will become 7:2 The present age of son is-

Present age of father is 42 years and that of his son is 14 years. Find the ratio of (a) Present age of father to the present age of son.