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a tap fill a tank in 6 hours. another tap fill the tank in 8 hours. the outlet pipe empties it in 12 hours. if all the three taps are opened together, how long will it take to fill the tank |
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Answer» Step-by-step explanation: Part of the tank filled in 1 HOUR = 1\div8 Part of the tank EMPTIED in 1 hour = 1\div16 When both the taps are OPENED simultaneously, part of CISTERN fill in 1 hour = \frac{1}{8}-\frac{1}{16}=\frac{2-1}{16}=\frac{1}{16} Hence, the tank will be filled in 16 hours. |
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