Comprehension Passage
Given below is the pie chart which shows the percentage distribution of the students studying in a college. The total number of students in the college is 1200.
What is the ratio of students learning in Biology department to the number of students learning in Mathematics department?
1
1 : 2
2
2 : 1
3
1 : 3
4
3 : 2
5
3 : 1