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Q.

These questions are based on the following data. 125 small but identical cubes are put together to form a large cube. This large cube is now painted on all six faces.

 How many of the smaller cubes have exactly three faces painted ?

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a

4

b

5

c

9

d

8

answer is D.

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Detailed Solution

3 faces painted cubes are 8.

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These questions are based on the following data. 125 small but identical cubes are put together to form a large cube. This large cube is now painted on all six faces. How many of the smaller cubes have exactly three faces painted ?