Mathematics
NULL
Medium
Question
If the sides of two cubes are in the ratio 3 : 1, the ratio of their total surface areas is?
A
3 : 1
B
6 : 1
C
9 : 1
✓ Official correct answer
D
27 : 1
Community credibility
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A
3 : 1
No member explanations yet for this option.
B
6 : 1
No member explanations yet for this option.
C
9 : 1
No member explanations yet for this option.
D
27 : 1
No member explanations yet for this option.
Explanation
Surface area ∝ side² ⇒ ratio = 9 : 1 = 9 : 1.