IT ALL ADDS UP
Credit: GAMES Magazine
July, 1985
Michael W. Ecker
You and an opponent alternate picking numbers from 1 to 6, and a running total is kept. If the object of the game is to make the score total exactly 50, and you go first, what number should you pick to insure a win for yourself?
Answer:
Fifty is 1 more than a multiple of 7, so pick 1 as your number. Then, no matter what your opponent chooses, you say 7 minus that number. On your eighth turn, you will cause the score to hit 50 exactly.
You and an opponent alternate picking numbers from 1 to 6, and a running total is kept. If the object of the game is to make the score total exactly 50, and you go first, what number should you pick to insure a win for yourself?
Answer:
Fifty is 1 more than a multiple of 7, so pick 1 as your number. Then, no matter what your opponent chooses, you say 7 minus that number. On your eighth turn, you will cause the score to hit 50 exactly.
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