Mathematics
If the ratio of the volume of two spheres is 1 : 8, find the ratio of their surface areas.
Related Questions
The radius of a sphere is doubled. Find the increase per cent in its surface area.
If the radius of a sphere is increased by 50%, find the increase per cent in its volume.
The weight of a metallic right circular cylinder with base radius 10.5 cm and height 60 cm, it being given that 1 cm3 of metal weighs 5 gm, is :
48.75 kg
97.65 kg
102.45 kg
103.95 kg