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Introduction to 3D Solids

If a cube, wh...

Question

If a cube, which is painted on five faces, is cut into 27 identical cubes, what is the ratio of the number of unpainted faces to that of the painted faces?

A

4:15

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B

13:5

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C

7:3

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D

7:13

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Solution

The correct option is B 13:5

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