The average age of a husband and his wife was 23 years at the times of their marriage. After five years they have a one-year old child. The average age of the family now is-

Answer: Option A

Sum of the present ages of husband, wife and child
= (23 × 2 + 5 × 2) + 1
= 57 years
∴ Required average
= $$\left(\frac{57}{3}\right)$$
= 19 years