A 4-inch cube is painted on all faces and cut into 1-inch cubes. How many cubes have exactly two painted faces?

A cube is painted on all faces and cut into 27 equal cubes. How many smaller cubes have exactly two painted faces?

A cube is painted red on all its faces and then cut into 27 smaller cubes of equal size. How many small cubes will have exactly two faces painted?

A plank of wood 4.25 m long and 3.4 m wide is to be cut into square pieces of equal size. How many square pieces of largest size can be cut from the plank, if no wastage is allowed ?

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)

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 ?