The average age of 30 boys of a class is equal to 14 years. When the a – McqOptions

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1.	The average age of 30 boys of a class is equal to 14 years. When the age of the class teacher is included the average becomes 15 years. Find the age of the class teacher?
A.	40
B.	46
C.	45
D.	47
Answer» D. 47

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