Q-TW-3Q.47
A can complete a task in 15 days B is 50% more efficient than A. Both A and B started working together on the task and after few days B left task and A finished the remaining 1/3 of the given work. For how many days A and B worked together.
- (a) 3
- (b) 5
- (c) 4
- (d) 6
- (e) 2
Note: "1/3" is a stacked fraction in source