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The average age of 10 students in a clas...

The average age of 10 students in a class is 20 years if a new student is also included then the new average age of all the students increases by 1 year.The age of the new student is:

A

21 years

B

30 years

C

31 years

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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