There are 50 students in a class of which 40 are boys and rest girls. The average weight of the boys is 45 kg and the av
Posted: Mon Nov 15, 2021 10:10 am
There are 50 students in a class of which 40 are boys and rest girls. The average weight of the boys is 45 kg and the average weight of the girls is 40 kg. The average weight of the class will be Select one: : 44 40 50 45