A cube is painted on all six faces and cut into 64 identical smaller cubes. How many smaller cubes have exactly two painted faces?

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• A 24
• B 12
• C 36
• D 48

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Answer: A. 24

12 (n-2) = the number of cubes having two sides painted. Therefore 12(4-2)=24 cubes have 2 sides painted.

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