MCQOPTIONS
Saved Bookmarks
| 1. |
Two taps can separately fill a cistern in I 0 minutes and I 5 minutes respectively and when the waste pipe is open, they can together fill it iri I 8 minutes. The waste pipe can empty the full cistern |
| A. | 9mints |
| B. | 6mints |
| C. | 10mints |
| D. | 2mints |
| Answer» B. 6mints | |