The average age of a class of 40 boys is 11.95 years. The average of t – McqOptions

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1.	The average age of a class of 40 boys is 11.95 years. The average of the class is raised to 12 years by the coming of a new boy. How old is this new boy?
A.	7 years
B.	9 years
C.	16 years
D.	14 years
Answer» E.

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