The ratio of the volumes of two cubes is 729 : 1331. What is the ratio of their total surface areas? Options
A) 81:121	B) 81:126	C) 81:189	D) 81:176	E) 81:117
Ratio of the sides   = ³√729 : ³√1331 = 9 : 11   Ratio of surface areas   = 92 : 112 =81:121   81:121nswer:81:121
<result>A</result>
The ratio of the volumes of two cubes is 729 : 1331. What is the ratio of their total surface areas?