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The odd number (Posted on 2004-04-20) Difficulty: 3 of 5
You and a friend play a game in which there are an odd number of rocks. You can take 1, 2 or 3 rocks on your turn (alternating turns with your opponent); when all rocks have been taken, the person who has taken an odd number of rocks is the winner.

If you are the first to go, what strategy should you use in order to have the best chance of winning?

See The Solution Submitted by Gamer    
Rating: 3.6667 (3 votes)

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Solution solution | Comment 9 of 12 |
it seams to me all u have to do is take 2 until there r5 left as soon as he takes 2 u take 3 or... if its ur turn u take 3 leaving him/her with 2
  Posted by jennifer on 2004-08-06 15:27:20
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