A cube of edge 6 cm is cut into cubes each of edge 2 cm. The ratio of the total surface area of one of the small cubes to that of the large cube is equal to:  Choose the correct option: A) 1:9 B) 1:225 C) 1:52 D) 1:522 E) None
Sol.   Required ratio = 6 * 2 * 2 / 6 * 6 * 6 = 1/9 = 1:9.   1:9nswer 1:9
<result>A</result>
A cube of edge 6 cm is cut into cubes each of edge 2 cm. The ratio of the total surface area of one of the small cubes to that of the large cube is equal to: