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 will be the weight of the new person ?
A.	76
B.	76.5
C.	85
D.	80
Answer» D. 80

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