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MATHS TEST, Ques 1. From a right circular cylinder of radius 10 cm and height 21 cm a right, circular cone of same base radius is removed. If the volume of the remaining, portion is 4400cm 3 , then Find the height of the cone removed., Ques 2. Three cubes, whose edges are 12 cm, x cm and 10 cm respectively, are, melted and recasted into a single cube of edge 14 cm. Find `xˊ., Ques 3. A solid sphere of radius 6mm is melted and then cast into small, spherical balls each of radius 0.6mm. Find the num ber of balls thus obtained., Quest 4. The ratio of radii of two cylinders is 1:√3 and heights are in the ratio, 2:3 . Then Find the ratio of volumes.