The average age of a husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is:
Options:
A . 19 years
B . 23 years
C . 28.5 years
D . 29.3 years
Answer: Option A
Sum of the present ages of husband, wife and child = (23 * 2 + 5 * 2) = 57 years.Required average = 57/3 = 19 years.
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