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15. Apipe can fill a tank in 8 hours. However, in case of outflow from a waste pipe in the bottom, the tank is filled in 12 hours. If the tank is full, how much time will the wastepipe take to empty it? |
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Answer» 12Step-by-step EXPLANATION:tank FILLED in 8 hrwhen there is waste PIPE in bottomtake time 12 |
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