The radius of a sphere and the base radius of a cone are both equal to 3√2 cm. If the surface area of the sphere is equal to the total surface area of the right circular cone, what is the height of the cone?

Find the approximate volume and surface area of a sphere of radius 6 cm. (Use π = 227)

Ram has two spherical balls of radius 10.5 cm each and Meena has six spherical balls of radius 7 cm each. What is the total volume of the balls that Meena has?