Question

Out of a class 65 students, 8 students of average weight 61 kg leave the class and immediately 3 students'
weight is 72 kg, 77 kg and 69 kg join the class. Then the new average weight of the class is 67 kg. What wasoriginal average weight of the class 65 students?

Answer 1

Answer:

hence the average weight of the class is 72 kg

Answer 2

hence the 65 students avg is 66