Comprehension Passage
Directions: Read the below data carefully and answer the following questions.
The pie chart shows the days (in degree) taken by A to complete the work P, Q, R, S respectively.
The table shows the ratio of efficiency of A and B respectively to do all four works.
A was instructed to complete all the works in 54 days, but due to illness A's efficiency was reduced by 50%, if A and B started working together then what should be B's efficiency to complete the work S on exact time?
1
6
2
8
3
10
4
4
5
5