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The average age of a husband and wife was 23 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?

8years

4years

6years

10years

Explanation:

Solution:
Present total age of husband and wife
= (23 * 2 + 5 * 2) = 56
Present total age of husband, wife and child
= 20 * 3 = 60 years
Age of child = (60 – 56) = 4 years.

By: Pranav Gupta

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