In a class of 80 students, 60% participate in games and the rest do not. The average weight of the former group is 5% more than that of the latter. If the average weight of all the students is 51.5 kg, then what is the average weight (in kg) of the former group?

In a class of 80 students, 60% participate in games and the rest do no

1.	In a class of 80 students, 60% participate in games and the rest do not. The average weight of the former group is 5% more than that of the latter. If the average weight of all the students is 51.5 kg, then what is the average weight (in kg) of the former group?
A.	54.5
B.	52.5
C.	60
D.	57.6
Answer» C. 60

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In a class of 80 students, 60% participate in games and the rest do not. The average weight of the former group is 5% more than that of the latter. If the average weight of all the students is 51.5 kg, then what is the average weight (in kg) of the former group?

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