The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years. The present age of the husband is
A. 35 years
B. 40 years
C. 45 years
D. 50 years
Ans: B.Sol.
Sum of the present ages ofH husband, wife and child
= (27 × 3 + 3 × 3)years = 90 years.
Sum of present ages of wife and child = (20 × 2 + 5 × 2) = 50 years.
∴ Husband's present age = (90 - 50)years = 40 years.
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