A solid cube is painted red on two adjacent sides and yellow on the sides opposite to red surfaces and green on remaining sides, is cut into 27 equal pieces.The sides of each smaller cube is 2 cms.How many cubes are there with no surfaces painted? how many cubes are there with only one surfaces painted?how many cubes have two surfaces painted with yellow? how many cubes have only red colour? what is the area of green painted surface in sq.cm.? how much area in sq.cm. of 27 cubes is not painted?how many cubes are there having three sides painted with three different colours? what fraction of total surface area of the 27 smaller cubes is not painted?.