The average weight of 8 person's increases by 2.5 kg when a new person – McqOptions

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1.	The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What is the weight of the new person?
A.	78
B.	80
C.	86
D.	85
Answer» E.

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