Question

The average weight of 28 students in a class is 40 kg while the average weight of 5 teachers who teach them is 58 kg. 10 students and 1 teacher go for a trip, and the average weight of the remaining students and teachers is 42 kg and 60 kg respectively. What is the average weight of the group that went on the trip?

A 25.44 kg
B 66.22 kg
C 37.64 kg
D 29.22 kg
E None of these
Practice Next

Hey! Ask a query