The average age of a class of 39 students is 15 years. If the age of the teacher

Question

The average age of a class of 39 students is 15 years. If the age of the teacher is included, then the average increases by 3 months. Find the age of the teacher.

Options:

A . 30 years

B . 25 years

C . 35 years

D . 40 years

Answer: Option B

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