The average age of 20 boys in a class is 12 years. 5 new boys are admitted to th – OfficerPath

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MCQ Practice

The average age of 20 boys in a class is 12 years. 5 new boys are admitted to the class whose average age is 7 years. The average age of all the boys in the class becomes:

Subject: MathematicsTopic: Average

A

8.2 years

B

9.5 years

C

12.5 years

D

11 years

Correct Answer: D

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