Question

the weight of5 boys in a group are 48 kg 600g 43kg 800g52kg 400g 50 kg 300 g and 46kg 500g find the average weight of a boy in a group

Answer 1

It is given that Mean weight of 6 boys = 48kg So we get Mean weight = sum of the weight of 6 boys/6 = 48 We know that Sum of weight of six boys = 48 (6) = 288kg So the sum of weight of 5 boys = (51 + 45 + 49 + 46 + 44) = 235kg We get Weight of sixth boy = sum of weight of six boys – sum of weight of 5 boys By substituting the values Weight of sixth boy = 288 – 235 By subtraction Weight of sixth boy = 53kg Therefore, the weight of sixth boy is 53 kg.Read more on Sarthaks.com - https://www.sarthaks.com/724355/mean-weight-boys-group-48kg-the-individual-weights-five-them-are-51kg-45kg-49kg-46kg-and-44kg