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Maths Mcqs

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 : 18Correct Answer
D. 27 : 20
Correct Option: C. 25 : 18

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