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?
Given,
Sphere radius = 10.5cm
Cone radius = 3.5cm
h = 3cm
When any object is melt and recast into another so the volume of both the object will be same
Volume of sphere = n × volume of cone
n = 126
10