3 years ago, the average age of wife, husband and their child was 27 years. 5 years ago the aver...

Three years ago, the average age of a husband , wife and child was 26 years, and that of the wife and the child , 5 years ago, was 20 years . The present age of the husband is :

The average age of a husband and wife was 23 years when they were married 5 years ago. The average age of the husband , the wife and a child who was born during the interval , is 20 years now. How old is the child now ?

5 years ago the average age of a family which includes father, mother and a son was 35 years. 3 years ago the average age of father and mother was 46 years. What is the present age (in years) of the son?

The average age of a husband and wife was 23 years when they were married 5 years ago. The average age of the husband, the wife and a child who was born during the interval, is 20 years now. How old is the child now?