the average of 35 students in a class is 16 years. the average age of 21 stude

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Question

the average of 35 students in a class is 16 years. the average age of 21 students is 14. what is the average age of remaining 14 students?

Options:

A . 15 years

B . 17 years

C . 18 years

D . 19 years

Answer: Option D
Explanation :

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