Question

a metallic sphere of radius 10.5 cm is melted and then recast into smaller cones each of radius 3.5 CM and height 3 cm how many cones are obtained.

Answer 1

volume of sphere is 4/3 π*10.5*10.5*10.5
volume of each cone is 1/3 π*3.5*3.5*3
number of cone can be found by dividing them
answer is 126
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