Comprehension Passage
The given graph represents the number of users of three Telecom services Alpha, Beta and Gamma across 10 cities A, B, C, D, E, F, G, H, I, J.
What is the ratio of the number of users of Alpha, Beta and Gamma together in city 'D' to the number of users of Beta and Gamma together in city 'I' ?
1
21 ∶ 11
2
11 ∶ 21
3
5 ∶ 4
4
4 ∶ 5
5
None of the above