Question
A cylindrical tank has a radius of 4 meters and a height
of 7 meters. Water is being pumped into the tank at the rate of 10 cubic meters per minute. How long will it take to fill the tank completely?Solution
Volume of the cylinder = πr²h = (22/7) × 4² × 7 = 352 m³. Rate of pumping = 10 cubic meters per minute. Time taken = Volume / Rate = 352 / 10 = 35.2 minutes.
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