A cube painted red on two adjacent faces and black on the faces opposite to the red faces and green on the remaining faces is cut into sixty- four smaller cubes of equal size. How many cubes have only one face painted:

A cube is 6cm in length,breadth and height. It is painted red on two opposite faces,black on the other two opposite faces and green on the left over faces.It is then cut into 216 cubes of side 1cm. How many small cubes have no face painted?

A cube of side 4cm is painted black on all sides.It is then cut into small cubes of each side 1cm .How many cubes will have only three faces painted?