

MCQOPTIONS
Saved Bookmarks
1. |
Pipe A can fill a tank in 6 hours. Due to a leak at the bottom, it takes 9 hours for the pipe A to fill the tank. In what time can the leak alone empty the full tank? |
A. | 16 hours |
B. | 15 hours |
C. | 18 hours |
D. | 17 hours |
Answer» D. 17 hours | |