Maths A hose has three pipes, the first two pipes can fill it in 3 hours and 3 hours 45 minutes respectively while the third pipe can empty it in 1 hour if all the three pipes are opened at 1 PM, 2 PM and 3 PM respectively. When will it be empty?
| Q.201517: A hose has three pipes, the first two pipes can fill it in 3 hours and 3 hours 45 minutes respectively while the third pipe can empty it in 1 hour if all the three pipes are opened at 1 PM, 2 PM and 3 PM respectively. When will it be empty? |
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