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The average age of 36 students in a grou...

The average 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

cannot be determined

Text Solution

Verified by Experts

The correct Answer is:
C
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DISHA PUBLICATION-AVERAGES-Practice Exercises (Foundation Level)
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  5. The average of 5 consecutive numbers is n. If the next two numbers are...

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  6. The average of 11 numbers is 10.9. If the average of the first six num...

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  12. A library has an average of 510 visitors on Sunday and 240 on other da...

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  13. The mean of 30 values was 150. It was detected on rechecking that one ...

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  14. The average of 10 numbers is 40.2. Later it is found that two numbers ...

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  15. In 1919, W. Rhodes, the Yorkshire cricketer, scored 891 runs for his c...

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  16. The average salary of all the workers in a workshop is Rs 8000. The av...

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  17. The average monthly salary of employees, consisting of officers and wo...

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  18. Of the three numbers, the first is twice the second, and the second is...

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  19. In a bag, there are 150 coins of 1,50 p and 25 p denominations. If t...

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  20. The average age of a group of persons going for picnic is 16 years. Tw...

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