Maths Two taps A and B can fill a water tank in 15 hours and 20 hours respectively. A third tap C can empty the full tank in 25 hours. All the three taps in the empty tank are opened together and after 10 hours C is turned off, find the total time taken to fill the tank?
| Q.201538: Two taps A and B can fill a water tank in 15 hours and 20 hours respectively. A third tap C can empty the full tank in 25 hours. All the three taps in the empty tank are opened together and after 10 hours C is turned off, find the total time taken to fill the tank? |
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