Sphere: volume: SA

Pyramid: volume: SA

A hollow sphere of volume V is floating on water surface with half immersed in it. What should be the minimum volume of water poured inside the sphere so that the sphere now sinks into the water ?

Cube: Volume: SA: diagonal

Cuboid: volume: SA: diagonal

If the volume of a sphere is (4)/(3) pi r^(3) where pi = (22)/(7) and r is radius of the sphere, then the radius of the sphere of volume (704)/(21) m^(3) is _____.

A sphere and a cube are of the same height. The ratio of their volume is

Problems based on comparing the volume/SA of solids