3 yr. ago the average age of a family of 5 members was 17 yr. A baby h – McqOptions

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1.	3 yr. ago the average age of a family of 5 members was 17 yr. A baby having been born, the average age of the family is same today. The present age of the baby is :
A.	3 yr.
B.	1 yr.
C.	11/2 yr,
D.	2 yr.
Answer» E.

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