A metallic sphere of radius 10.5 cm is melted and recast into a small cone each of radius 3.5 cm and height 3 cm find number of such cone.
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Answer:
No:of Cones = vol. of sphere/Vol. of cone
= 4/3π(10.5)^3/1/3π(3.5)^2x3
=126 cones
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