The ratio of the length, width, and height of a closed cuboid is given as 6 : 3 : 2. The total surface area of this cuboid is 1800 cm2. Find the volume (in cm3) of this cuboid.

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?