Wednesday, April 16, 2008

Logic Can Be Hard to Parse

You need to match three letters (A, B, and C) to three numbers (1, 2, 3). From the following rules, can you find a solution?

1) If A is not 1, then C is not 3.
2) If B is either 2 or 1, then A is 3.
3) If C is not 2, then A cannot be 3.
4) If C is not 1, then A is not 3.
5) If C is 3, then B is not 1 or 2.
6) If B is 3, then A is not 2.


  1. 3) & 4) --> A is not 3
    + 2) --> B is 3
    + 6) --> A is 1
    --> C is 2

    A=1, B=3, C=2

  2. I got the same thing

  3. That's it, alright. A = 1, B = 3, and C = 2.


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