The average age of a class of 60 boys which is 11.9 years is raised to – McqOptions

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1.	The average age of a class of 60 boys which is 11.9 years is raised to 12 years by coming of a new boy the age of the new boy is:
A.	27 years
B.	23 years
C.	18 years
D.	17 years
Answer» D. 17 years

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