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Sand is falling on the ground forming a cone at the rate of 15 cm3/s. The height of cone is always one-fourth the radius of the base. The rate at which the height of sand-cone is increasing when it's height is 5 cm is _________

Answer» Sand is falling on the ground forming a cone at the rate of 15 cm3/s. The height of cone is always one-fourth the radius of the base. The rate at which the height of sand-cone is increasing when it's height is 5 cm is _________


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