13
Question
How many smaller cubes have none of their 'faces painted?
How many smaller cubes have none of their 'faces painted?
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Solution
The correct option is D 4
The half cube which is cut into four parts will have at least one face painted in either color.
The half cube cut into 32 parts will have four such cubes which lie in the middle of that half-cube with no face painted.
The half cube which is cut into four parts will have at least one face painted in either color.
The half cube cut into 32 parts will have four such cubes which lie in the middle of that half-cube with no face painted.
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