the average age of 15 students of a class is 15 years. out of these, the avera

Question

the average age of 15 students of a class is 15 years. out of these, the average age of 5 students is 14 years and that of the other 9 students is 16 years, the age of the 15th student is :

Options:

A . 11

B . 12

C . 13

D . 14

Answer: Option A
Explanation :

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