A cube of edge 5 cm is cut into cubes of each edge 1 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 : 5
B) 1 : 25
C) 1 : 125
D) 1 : 625
E) None
Solution   Required ratio	=(6x1x1 / 6x5x5)   ‹=› 1/ 25   ‹=› 1 : 125.   Answer 1 : 25
<result>B</result>
A cube of edge 5 cm is cut into cubes of each edge 1 cm. The ratio of the total surface area of one of the small cubes to that of the large cube is equal to