How many total straight cuts with a knife are required to slice a cube of cheese into 27 identical smaller cubes?
6
To make 27 smaller cubes (a 3x3x3 grid), you need 2 cuts along the X-axis, 2 cuts along the Y-axis, and 2 cuts along the Z-axis. 2 + 2 + 2 = 6 cuts.
About this riddle
Math riddles hide a calculation inside a short story. Pull out the numbers, work out what is being asked, and watch for a trick such as a unit change.
Difficulty: Hard. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
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