PU-MET : Panjab University MBA Entrance Exam with MCQ Answers 2013

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25.

In a class of 20 students the average age is 12 years. By the inclusion of the teacher's age, the average age increases by 1 year. What is the age of the teacher ?

A: 39 years
B: 34 years
C: 33years
D: 36 years

The answer is: C

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