The average of a group of men is increased by 5 years when a person a – McqOptions

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1.	The average of a group of men is increased by 5 years when a person aged of 18 years is replaced by a new person of aged 38 years. How many men are there in the group?
A.	2
B.	4
C.	6
D.	8
Answer» C. 6

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