Three year ago, the average age of a family of five members was 27 yr. The present average age is also 27 yr after the inclusion of a child into the family. Find the age of the child.

Three year ago, the average age of a family of five members was 27 yr.

1.	Three year ago, the average age of a family of five members was 27 yr. The present average age is also 27 yr after the inclusion of a child into the family. Find the age of the child.
A.	16 yr
B.	12 yr
C.	24 yr
D.	20 yr.
Answer» C. 24 yr

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Three year ago, the average age of a family of five members was 27 yr. The present average age is also 27 yr after the inclusion of a child into the family. Find the age of the child.

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