Question

How to calculate cumulative percentage of marks scored?

Answer 1

Add the obtained marks of 30 subjects and divide it by the total marks of 30 subjects(if each has total of 100 then 3000). This way you can calculate the percentage.  This is your cumulative marks.

Answer 2

Cumulative percentage of marks scored

1. Suppose exam of 5 subjects was of 100 marks, so total here is 500.
2. The marks you scored in each subject, add it for eg: all 80.
3. Then the total is 400.
4. Divide 400/500=0.8
5. Multiply by 100 to calculate percentage.
6. Here, its 80%.