The following table shows the marks obtained by two students in different subjects:
| Subject | Student A | Maximum Marks | Student B | Maximum Marks |
| English | 60 | 100 | 80 | 150 |
| Psychology | 70 | 100 | 70 | 100 |
| History | 50 | 100 | 60 | 100 |
| Sanskrit | 30 | 50 | 15 | 25 |
The difference in aggregate percentage marks of the two students is:
1
2.5%
2
13.75%
3
1.25%
4
0%