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. 27 : 20 B. 25 : 18 C. 3 : 2 D. 2 : 1 Answer Workspace Report Discuss Answer with explanation Answer: Option B Explanation Workspace
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