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 present ages of a father and his son is 3 : 1 . The sum of their ages after five years is 58. Find the ratio of their ages 3 years ago.

The ratio of the ages of a father and a son at present is 5:2 . Four years hence the ratio of the ages of the son his mother will be 1:2 .What is the ratio of the present ages of the father and the mother ?

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 age of the father 5 years ago was 5 times the age of his son. At present the father's age is 3 times that of his son. What is the present age of the father?

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 age of a boy is one-fifth of the age of his mother and the sum of the ages of the son and the mother is equal to the age of the father. After 15 years, the sum of the ages of the son and his mother will be four-third of his father's age. Find the ratio o the present ages of son, mother and father respectively.

sum of the ages of a father and his son is 55 years. After 10 years , the father's age will be double of that of his son. What are their present ages ?