Question

The average age of 26 smdents in a class is 15 years. If teacher's age is included in it, then the average will increase by one. What is the teacher's age (in years)?

A 38 Correct Answer Incorrect Answer
B 40 Correct Answer Incorrect Answer
C 42 Correct Answer Incorrect Answer
D 33 Correct Answer Incorrect Answer

Solution

The correct answer is C

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