The average of 35 students in a class is 16 years. The average age of 21 studen

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

Sum of the ages of 14 students = (16 * 35) - (14 * 21) = 560 - 294 = 266Required average = (266/14) = 19 years.

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