Breaking Chocolate Bars

Puzzle • Mathematics

Max Score: 40

Easy

You have a bar of chocolate that consists of n x m square blocks.

If you can only break one piece at a time, how many breaks are necessary to break the original n x m piece into n*m 1 x 1 pieces?

How many are sufficient?

  • A) N*M - 1, N*M - 1
  • B) N*M / 2, N*M - 1
  • C) N*M - 1, N*M / 2
  • D) N*M / 2, N*M / 2

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