Home
Class 14
MATHS
The average weight of 60 students in a c...

The average weight of 60 students in a class is 40 kg. The average weight of boys is 50 kg and average weight of girls is 30 kg. The number of boys and girls respectively are equal to:

A

25, 36

B

35, 25

C

20, 40

D

30, 30

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

The mean weight of 100 students in a class is 46 kg. The mean weight of boys is 50 kg and that of girls is 40 kg. The number of boys exceeds the number of girls by

The mean weight of 150 students in a class is 60 kg. the mean weight of boys is 70 kg and that of girls is 55 kg. What is the number of boys in the class?

The average weight of 25 students of a class is 28 kg. If the average weight of all the boys is 30 kg and average weight of all the girls is 25 kg, then find the number of boys in the class.

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?

The average weight of girls is 15 and the average weight of boys is 30 and the average weight of boys and girls both is 25. If the number of boys are 12, then the number of girls is :