A cylinder of radius 4 cm and height 10 cm is melted and re casted into a sphere of radius 2 cm. How many such sphere are got ?
A25
B30
C15
D28
A25
B30
C15
D28
Related Questions:
The height of the cylinder is 2times the radius of base of cylinder.If the area of base of the cylinder is 154 cm2.Find the curved surface area of the cylinder?