In a school, there are 20 girls. The average age of the girls is decreased by 2 months when one girl aged 18 years is replaced by a new girl. What is the age of the new girl?

In a school, there are 20 girls. The average age of the girls is decre

1.	In a school, there are 20 girls. The average age of the girls is decreased by 2 months when one girl aged 18 years is replaced by a new girl. What is the age of the new girl?
A.	14 years 2 months
B.	14 years 4 months
C.	14 years 6 months
D.	14 years 8 months
Answer» E.

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In a school, there are 20 girls. The average age of the girls is decreased by 2 months when one girl aged 18 years is replaced by a new girl. What is the age of the new girl?

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