Explanation
1. Sum of ages at the time of marriage (5 years ago):
Sum of ages (Husband + Wife)=22×2=44 years
2. Present sum of ages of Husband and Wife:
Since 5 years have passed, both the husband and the wife have aged by 5 years.
Present sum=44+(5+5)=54 years
3. Total present sum of the family (including child):
The child is 3 years old.
4. Present average age of the family:
There are now 3 members in the family (Husband, Wife, and Child).
Average age=Number of membersTotal sum
Average age=357=19 years
Final Answer:
The present average age of the family is 19 Years.
The correct option is (a).
