Aptitude - Averages - Discussion

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Q.

The avearge age of 36 students in a group is 14 years. when teacher's age is included to it, the average increases by one.What is the teacher's age in years?  .                          
A. 31 B. 36
C. 51 D. None of these

Answer: Option C
Explaination:

 


Discussion

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