If you paint every face of a solid 3x3x3 wooden cube blue, and then saw it apart into 27 individual 1x1x1 smaller cubes, how many of those small cubes will have paint on exactly zero sides?
1
Only the single cube located right in the exact center of the 3x3x3 structure is completely surrounded by other cubes and never touches the outside surface. Thus, it has zero painted sides.
About this riddle
Logic riddles give you a few facts and ask what must be true. List what you know, cross out what cannot be, and see what is left.
Difficulty: Easy. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
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