The table below shows the marks obtained by students A, B and C in French and Geography in an examination.
The maximum marks for each subject are 100. Study the table carefully and answer the question that follows.
| Student | French | Geography |
| A | 98 | 100 |
| B | 89 | 98 |
| C | 92 | 99 |
What is the ratio of the average marks of the three students in Geography to that in French?
1
32 ∶ 28
2
28 ∶ 32
3
33 ∶ 31
4
31 ∶ 33