Cutting a cube into 27
A wooden cube is to be cut into twenty-seven cubes. Between cuts you may rearrange and stack the pieces freely. What is the minimum number of straight (planar) cuts needed?
Show hints (2)+
- Think about the center cube of the . How are its six faces created?
- Each of its faces needs its own cut (stacking can't help), so .
Answer
Reveal answer →Final answer
6
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Asked at: Jane Street, Optiver