The mean age of a husband and his wife was 23 years at the time of their marriage. After 5 years, they have one year old son. What is the mean age of the family now?

The combined age of a man and his wife is 6 times the combined age of their children. Two years ago their combined age was 10 times the combined age of their children; and six years later their combi…

Four years ago, the average age of A and B was 20 years. If today average age of A, B and C is 25 years, what will be age of C after 7 years?

A group consists of two male, two female and three children. The average age of the male is 67 years, that of the female is 35 years, and that of the children is six years. What is the average age of…

The captain of a cricket team of 11 members is 26 years old, and the wicket-keeper is three years older than the captain. If the ages of captain and wicketkeeper are excluded, the average age of the…

The mean of p, q, r, s and t is 280. If the mean of p, r and t is 240, what is the mean of q and s?