Saved Bookmarks
| 1. |
A pipe can fill a cistern in 9 hours. Due to a leak in its bottom, the cistern fills up in10 hours. If the cistern is full, in how much time will it be emptied by the leak?Hlat: Work done by the leak in 1 hour 109 10) 90tern in 6 hours and nine R can fill it in 8 hours. Both the pipes are opened |
|
Answer» 90hours |
|