Two cubes of their volumes in the ratio 64 : 343. The ratio of their surface area is:  Answers.
A) 1.5:5 B) 2:5 C) 3:5 D) 1:5 E) 4:7
The ratio of their surface area is   64 : 343   4 : 7   Answer is 4:7.
<result>E</result>
Two cubes of their volumes in the ratio 64 : 343. The ratio of their surface area is: