Comprehension Passage
Directions: Study the following table carefully to answer the following questions.
The table shows that the percentage of marks obtained by 5 students P, Q, R, S and T in 5 different subjects.
| Subject | Mathematics | English | Hindi | Physics | Chemistry |
| Total Marks/Student's Name | 100 | 100 | 100 | 75 | 75 |
| P | 75 | 90 | 60 | 63 | 90 |
| Q | 80 | 95 | 78 | 90 | 80 |
| R | 85 | 80 | 75 | 80 | 75 |
| S | 70 | 72 | 70 | 65 | 60 |
| T | 90 | 65 | 90 | 70 | 85 |
What is the average percentage of marks obtained in Chemistry by all the students?
1
80%
2
57.5%
3
78%
4
76%
5
60%