The average age of a husband and his wife was 23 years at the time of their marriage. After five years they have a one year old child. What is the average age of the family ?
- 21 years
- 20 years
- 18 years
- 19 years
Total of the age of husband and wife = 2×23=46
Total of the age of husband and wife after 5 years + Age of the 1 year old child
Average age of the family=57/3