the average age of 60 boys in a class was calculated as 12 years it was later

Question

the average age of 60 boys in a class was calculated as 12 years it was later realised that the actual age of one boys in the class was 12.5 years, but it was taken as 14 years. what is the actual ave

Options:

A . 8.975 years

B . 9.975 years

C . 10.975 years

D . 11.975 years

Answer: Option D
Explanation :

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