The average weight of a certain number of persons in a group is 78 kg. – McqOptions

MCQOPTIONS

1.	The average weight of a certain number of persons in a group is 78 kg. If 4 persons having average weight 80.75 kg leaves the group, the average weight of the remaining persons becomes 77.725 kg. The number of persons initially is:
A.	36
B.	44
C.	46
D.	34
Answer» C. 46

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