Average of the present ages of husband, wife and their child is 38 years. At the time of birth of the child, average age of the husband and wife was 39 years. Find the present age of the child.

Average of the present ages of husband, wife and their child is 38 yea

1.	Average of the present ages of husband, wife and their child is 38 years. At the time of birth of the child, average age of the husband and wife was 39 years. Find the present age of the child.
A.	7 years
B.	12 years
C.	9 years
D.	10 years
E.	None of these
Answer» C. 9 years

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