The surface area and volume of a cube of side x units are numerically equal. Find the total surface area of a cuboid (in sq. units) whose sides are x units, 2x units, and 3x units.

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?