Two cubes of their volumes in the ratio 64 : 343. The ratio of their surface area is: Choose the correct option.
A) 1.5 : 5
B) 2 : 5
C) 3 : 5
D) 1 : 5
E) 4 : 7

Rationale: "the ratio of their surface area is 64 : 343 4 : 7 answer is e ."
Answer: E