In a class the average age of 30 students is 15 years. If the teacher is included then the average age is increased by one year. Find the age of the teacher.

In a class the average age of 30 students is 15 years. If the teacher

1.	In a class the average age of 30 students is 15 years. If the teacher is included then the average age is increased by one year. Find the age of the teacher.
A.	40 years
B.	45 years
C.	46 years
D.	48 years
Answer» D. 48 years

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In a class the average age of 30 students is 15 years. If the teacher is included then the average age is increased by one year. Find the age of the teacher.

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