3 yr ago, the average age of a family of 5 members was 17 yr. Even after the birth of a child, the average is same today. Find out the age of the child. - Study24x7
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3 yr ago, the average age of a family of 5 members was 17 yr. Even after the birth of a child, the average is same today. Find out the age of the child.

A

1 yr

B

3 yr

C

2 1/2 yr

D

2 yr

E

None of the above

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