Comprehension Passage
Directions: Read the following information carefully and answer the questions based on it.
Given pie chart shows the degree distribution of the number of students in seven different schools.
Total Number of students in S1 is 4200.
If 30% and 75% of total students left School S5 and S7 respectively, then the new number of students in School S5 and S7 together is how much more/less than the total number of students in School S2 and S3 together?
1
6540
2
6640
3
6440
4
6450
5
None of these