The ratio of the volumes of two cubes is 125 : 1000. What is the ratio of their total surface areas? Choose the most appropriate option.
A) 81 : 121
B) 9 : 11
C) 729 : 1331
D) 1 : 4
E) None of these
Ratio of the sides = Â³âˆš125 : Â³âˆš1000 = 5 : 10   Ratio of surface areas = 5^2 : 10^2 = 25 : 100 = 1:4   ANSWER: 1 : 4
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The ratio of the volumes of two cubes is 125 : 1000. What is the ratio of their total surface areas?