In a class, there are 20 boys whose average age is decreased by 2 months, when one boy aged 20 years replaced by a new boy. The age of the new boy is?	Choose the correct option:
A) 14 years 8 months B) 15 years C) 16 years 8 months D) 17 years 10 months E) 17 years
Total decrease = (20 x 2) months   = 3 years 4 months   Age of the new boy   = 20 years - 3 years 4 months.   = 16 years 8 months.   ANSWER:16 years 8 months
<result>C</result>
In a class, there are 20 boys whose average age is decreased by 2 months, when one boy aged 20 years replaced by a new boy. The age of the new boy is?