1.

In a class, there are 20 boys whose average age is decreased by 2 months, when one boy aged 18 years is replaced by a new boy. The age of the new boy is

A. 14 years 8 months
B. 16 years 4 months
C. 15 years
D. 17 years 10 months
Answer» B. 16 years 4 months


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