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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.None of these
Answer and Feedback
Answer:B
Feedback:Sum of the present ages of husband, wife and child = (27 x 3 + 3 x 3) years = 90 years.
Sum of the present ages of wife and child = (20 x 2 + 5 x 2) years = 50 years.
Husband's present age = (90 - 50) years = 40 years.

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