4.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
A. 1 : 5 B. 1 : 25
C. 1 : 125 D. 1 : 625
Answer:
Required ratio =(6x1x1 / 6x5x5)
‹=› 1/ 25
‹=› 1 : 125.
