The average age of 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
A. 35 years
B. 40 years
C. 50 years
D. 60 years
Ans: B.Sol.
Sum of the present ages of husband, wife and child
= (27x3+3x3) years = 90 years.
Sum of the present ages of wife and the child
= (20 x 2 + 5 x 2) years = 50 years.
∴ Husband's present age = (90 - 50) = 40 years.
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