Saturday, December 22, 2012

59 cubic blocks

You have 59 cubic blocks. What is the minimum number that needs to be taken away in order to construct a solid cube with none left over?

Puzzle Answer

Answer:

32: the next cube number below 64 (4 × 4 × 4) is 27 (3 × 3 × 3). In order to construct a solid cube, therefore, with none left over, 59 – 27 = 32 blocks need to be taken away.

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