Question

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.

Answer 1

Answer:

No:of Cones = vol. of sphere/Vol. of cone

= 4/3π(10.5)^3/1/3π(3.5)^2x3

=126 cones