Question

Average age of a husband and his wife was 23 years at the begining of their marriage. After five years they have one year old child the average age of the family of three when was chid was born

Answer 1

Answer:

let the age of husband be H and the age of wife be W ,

so, sum of there age at the begning = H + W = 23*2 = 46

Therefore, After 5 years they had a child so the sum of there age will be

(H+5) + (w+5) + child = 46+5+5

age of 3 person = 56average age of family of three when child was born = 56/3