Five years ago, the average age of four girls, was 7 years. A new girl is included then average present age becomes 13 years. Find the present age of the new girl.

Five years ago, the average age of four girls, was 7 years. A new girl

1.	Five years ago, the average age of four girls, was 7 years. A new girl is included then average present age becomes 13 years. Find the present age of the new girl.
A.	14 years
B.	16 years
C.	17 years
D.	19 years
Answer» D. 19 years

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Five years ago, the average age of four girls, was 7 years. A new girl is included then average present age becomes 13 years. Find the present age of the new girl.

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