The volumes of two cubes are in the ratio 27: 125, what shall be the ratio of their surface areas? Choose the most appropriate option:
A) 9 : 55 B) 9 : 29 C) 9 : 25 D) 9 : 20 E) 9 : 27
Explanation:   a13 : a23 = 27 : 125   a1 : a2 = 3 : 5   6 a12 : 6 a22   a12 : a22 = 9 : 25   Answer: Option 9 : 25
<result>C</result>
The volumes of two cubes are in the ratio 27: 125, what shall be the ratio of their surface areas?