The average weight of 16 boys in a class is 50.25 kgs and that of the remaining 8 boys is 45.15 kgs. Find the average weight of all the boys in the class. (a) 47.55 kgs   (b) 48 kgs   (c) 48.55 kgs   (d) 49.25 kgs

The average weight of 55 students is 55 kg , and the average weight of another 45 students is 45 kg . Find the average weight of all the students .

The average weight of 16 boys in a class is 60.25 kg and that of the remaining 10 boys is 45.75 kg. The average weight of all boys in the class is: किसी कक्षा में 16 लड़कों का औसत वज़न 60.25 किलो ग्राम है तथा शेष 10 लड़कों का औसत वज़न 45.75 किलो ग्राम है | इस कक्षा में सभी लड़कों का औसत वज़न क्या होगा ?

In a prep school, the average weight of 30 girls in a class among 50 students is 16 kg and that of the remaining students is 15.5 kg. What is the average weight of all the students in the class ?

The average weight of the boys in a class is 69.3 kg and that of the girls in the same class is 59.4 kg. If the average weight of all the boys and girls in the class is 63.8 kg, then the percentage of the number of boys in the class is:

If the average weight of 6 students is 50 kg , that of 2 students is 51 kg and that of rest of 2 students is 55 kg , then the average weight of all the students is

The average of the weights of boys in a class is 69.3 kg and that of girls in the same class is 59.4 kg. If the average of the weights of all the boys and girls in the class is 63.8 kg. then the percentage of the number of girls in the class is:

The average weight of a class of 15 boys and 10 girls is 38.4 kg . If the average weight of the boys is 40 kg, then what is the average weight of the girls ?

The total weight of 12 boys and 8 girls is 1080 kg. If the average weight of boys is 50 kg, then what will be average weight of girls?