Mathematics
Medium
Question
A large cube is formed from the material obtained by melting three smaller cubes of 3, 4 and 5 cm side. What is the ratio of the total surface areas of the smaller cubes and the large cube?
A
2 : 1
B
3 : 2
C
25 : 18
✓ Official correct answer
D
27 : 20
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A
2 : 1
No member explanations yet for this option.
B
3 : 2
No member explanations yet for this option.
C
25 : 18
No member explanations yet for this option.
D
27 : 20
No member explanations yet for this option.