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[" 2.A solid metallic sphere of radius "...

[" 2.A solid metallic sphere of radius "5.6cm" is melted and solid solutics ellent the BSE "20141],[" and height "3.2cm" are made.Find the number of such cones formed and recast into "],[" A solid cuboid of iron with dimensions "53cm times40cm times15cm" is mented and respectively."],[" acylindrical pipe.The outer and inner diameters of pipeare "8cm" and "7cm" respectively."],[" Find the length of pipe."]

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A solid metallic sphere of radius 5.6 cm is melted and solid cones each of radius 2.8 cm and height 3.2 cm are made. Find the number of such cones formed.

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