A cube of edge 6 cm is cut into cubes each of edge 3 cm. The ratio of the total surface area of one of the small cubes to that of the large cube is equal to:
Answers:
A) 1:4
B) 1:25
C) 1:52
D) 1:522
E) None
Sol.   Required ratio = 6 * 3 * 3 / 6 * 6 * 6 = 1/4= 1:4.   1:4nswer 1:4
<result>A</result>
A cube of edge 6 cm is cut into cubes each of edge 3 cm. The ratio of the total surface area of one of the small cubes to that of the large cube is equal to: