Comprehension Passage
Direction: Study the given graph and answer the question that follows.
The bar graph shows the number of students (in hundreds) in five different courses in four universities.
What is the ratio between the total numbers of M.Tech students and the total number of Ph.D. students in all four universities?
1
1 : 2
2
2 : 1
3
3 : 2
4
2 : 3