Question
Quantitative Ability and Data Interpretation Question on Time and Work
B is twice efficient as A and A can do a piece of work in 15 days. A started the work and after a few days B joined him. They completed the work in 11 days, from the starting. For how many days did they work together?
A
1 day
B
2 day
C
6 day
D
5 day
Answer
2 day
Explanation
Solution
The correct option is (B): 2 day