A cube whose edge is 14 cm long has on each of its faces a circle of 7 cm radius painted yellow. What is the total area of unpainted surface ? (Take π = 22/7)

The surface area of a sphere is 616 sq. cm, then what will be its radius?

A solid is a cone mounted on a hemisphere. Radius=6 cm and total height=14 cm. Surface area?

The radius of a circle is 14 cm and the area of a sector is 102.7 sq. cm. The central angle of the sector is

A solid cube is cut into two cuboids of equal volume. What is the ratio of total surface area of the given cube to that of one of the cuboids ?

The circumference of a circle exceeds the diameter by 16.8 cm. What is the diameter of the circle? (Take π = 22/7)