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The water in a rectangular reservoir has a base 80 m×60 m and is 6.5 m deep. In what time(in hours) can the water be emptied by a pipe having a cross section in the form of a square of side 20 cm, if water runs through the pipe at the rate of 15 km/hr? |
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Answer» The water in a rectangular reservoir has a base 80 m×60 m and is 6.5 m deep. In what time(in hours) can the water be emptied by a pipe having a cross section in the form of a square of side 20 cm, if water runs through the pipe at the rate of 15 km/hr? |
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