Read the passage below and solve the questions based on it.
There are three sections in class X atA. R. Academy. Below is the table indicating the number of students, and the range of marks obtained by the students of that particular section.
The minimum and the maximum marks provides us with only the range of marks which can be obtained by the students of that particular section.
10 students are shifted from each of the sections A and C to section B and then 10 students each are shifted from section B to each of the section A and section C. Now what is the ratio of maximum possible average of section A and section C?