Comprehension Passage
Direction : The following Table Shows the Number of Books Published for Different Subjects
| Subject | Number of books published |
| Physics | 1260 |
| Mathematics | 1840 |
| Chemistry | 1900 |
| Biology | 1480 |
| Economics | 1520 |
Find the average number of Books Published in Physics & Biology Subject together.
1
1280
2
1320
3
1370
4
1390