The dimensions of a wooden block are 3 cm × 6 cm × 10 cm. How many such blocks will be required to construct a solid wooden cube of the minimum possible size?

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?