Question

A metallic sphere of radius 4.2 cms. is melted and recast into the shape of a cylinder of radius 6 cms. Height of the resultant cylinder would be:(a) 110 cms(b) 3.84 cms(c) 30 cms(d) 2.74 cms

Answer 1

radius of sphere (R) =4.2cm

radius of cylinder (r)=6cm

then

volume of cylinder= volume of sphere