Question

The average Economics marks of two sections A and B of class X in the annual examination is 70. The average marks of Section A is 72.5 and that of section B is 68. The ratio of the number of students of section A and B is

A 4:5
B 6:5
C 7:8
D 8:9
E 10:7
Practice Next

More Average Questions

Hey! Ask a query