In a class of students (Boys and Girls), there are 60% girls. The average of the boys is 58 Kg and that of the girls is 52 Kg. What is the average of the whole class is?
Answer & explanation
Correct answer: option 3
Boys Girls
No. of students → 2 : 3
Average → 58 52
Total Weight → 116 156
Average weight of the class = \(\frac{116\;+\;156}{5}\) = 54.4