The average weight of 8 persons is increased by 2.5 kg when one of the – McqOptions

MCQOPTIONS

1.	The average weight of 8 persons is increased by 2.5 kg when one of them who weighs 56 kg is replaced by a new man. The weight of the new man is
A.	76 years
B.	72 years
C.	78 years
D.	None of these
Answer» B. 72 years

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