Comprehension Passage
Direction: The bar graph given below shows the time taken by a combination of people among A, B, C, D, and E to complete the works P and Q in days. Analyze the data carefully and answer the following questions:
If A and B both are involved in completing works P and Q, find the ratio of the combined efficiencies of A and B together in both the works?
1
5:7
2
2:3
3
3:4
4
4:7
5
None of the above