The sum of the present ages of a father and son is 52 years. Four years hence, the son's age will be $${1\over 4}$$that of the father. What will be the ratio of the ages of the son and father, 10 years from now?

Six years ago, the ratio of ages of A to B was 7 : 5. After 4 years from now, the ratio of their ages will be 11 : 9. What is A’s age at present?

8 years ago, the average age of Rahul's family consisting of 6 members was 35 years. One year ago a new baby was born in this family. What will be the average age of the family four years hence?

If A's income is 3/5 times of B's income and C's income is 6/5 times of B's income then the ratio of C's income to A's income is -

The average age of Ram and his son is 48 years. The ratio of their ages 13 years ago was 11 : 3. What is the present age of son?

Ram has 5 daughters. The average age of these 5 sisters is 28 years. The youngest one is 16 years old. What was the average age of the 4 daughters before the youngest one was born?

The sum of ages of mother and son is 47 years. Before 10 years, the product of their ages is 50. The difference between the ages of mother and a son is –

Ratio of age of father, mother and son is 9:8:3. Five years hence sum of their age will be 95 years. Find the age of son 5 years ago.