Gateways To Joy
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Puzzles
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Set 1
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Cube Cutting
Cube Cutting
12 Sep 2008
Puzzle

Imagine a 3x3x3 wooden cube. How many cuts do we need to break it into twenty-seven 1x1x1 cubes? A cut may go through multiple wooden pieces.

Source

Do not remember.

Solution

The central 1×1×1 cube has six faces. No cut can reveal two or more of these faces! So six cuts are necessary and sufficient.

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