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A pipe 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 emptyיווווווווו הו הזמן |
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Answer» I am not SURE I am very WEAK in MATHS . But I THINK it waste the WATER for 4hours |
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