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Water is pumped out at a constant rate o...

Water is pumped out at a constant rate of `88 m^(3)`/min from a conical container held with its axis vertical, if the semi-vertcal angle of the cone is `45^(@)`, find the rate of deperssion of the water level when the depth of water level is 2 meters `(pi = (22)/(7))`.

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The correct Answer is:
7m /min
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