The pie chart given below shows the marks obtained by a student in 6 different subjects. The total marks obtained by the student is 500. Marks in a particular subject are shown as a percent of total marks obtained in all these 6 subjects.
What is the ratio of marks obtained in S3 to the marks obtained in S4?
1
2 ∶ 1
2
5 ∶ 6
3
12 ∶ 5
4
12 ∶ 7