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The average age of 30 boys in a class is...

The average age of 30 boys in a class is 15 years. One boy, aged 20 years, left the class, but two new boys came In his place whose age differ by 5 years. If the average age of all the boys now in the class becomes 15 years, the age of the younger newcomer Is :

A

20

B

15

C

10

D

8

Text Solution

Verified by Experts

The correct Answer is:
15 years
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