Comprehension Passage
Directions: Read the below data carefully and answer the following questions.
The Bar graph shows the data about work done by A, B, C, D in percentage and the table shows the number of days they worked.
If the ratio of A's efficiency and B's efficiency is 1 ∶ 3, then in how many days B can complete 20% of the work?
1
2.13 days
2
4 days
3
2.89 days
4
6 days
5
None of these