"A metallic sphere of radius 10.5 cm is melted and recast into small right circular
Channel: Doubtnut
Date: 2020-04-05

"A metallic
 sphere of radius 10.5 cm is melted and recast into small right circular
 cones, each of base radius 3.5 cm and height 3 cm. The number of cones so formed
 is
(a) 105 (b) 113 (c) 126 (d) 135"