Mensuration Mcqs

Q.  The ratio of the volumes of two cubes is 729 : 1331. What is the ratio of their total surface areas?

a. 81 : 121
b. 9 : 11
c. 729 : 1331
d. 27 : 12


ANSWER: See Answer
 
Ratio of the sides = ³√729 : ³√1331 = 9 : 11

Ratio of surface areas = 92 : 112 = 81 : 121
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