The table below shows number of workers and their daily wages.
What is the ratio of the total number of workers whose daily wages are less than Rs. 450 to the total number of workers whose daily wages are Rs. 650?
| Number of workers | Daily wages (in Rs.) |
| 30 | 400 |
| 45 | 450 |
| 65 | 500 |
| 60 | 550 |
| 55 | 600 |
| 35 | 650 |
1
5 ∶ 7
2
3 ∶ 5
3
1 ∶ 4
4
6 ∶ 7