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A cube painted red on all faces is cut into 27 small cubes of equal size. How many cubes are not painted on any face ?

(1) 1 

(2) 3 

(3) 4 

(4) 6

1 Answer

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Best answer

Correct option: (1) 1

Explanation:

27 small cubes

no of cubes, not painted on any face → cube at the centre '1'

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