Comprehension Passage
Directions: Read the following information carefully and answer the following questions.
Given table shows the number of fiction books sold by a bookstore in four different months.
| Months | Number of fiction books sold |
| January | 520 |
| Till February | 810 |
| Till March | 1080 |
| Till April | 1220 |
Find the ratio of number of fiction books sold in January and number of fiction books sold in April.
1
24 : 11
2
26 : 9
3
26 : 7
4
28 : 9
5
23 : 7