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Two false coins (Posted on 2005-03-25) Difficulty: 3 of 5
You have ten coins, but two are fake, and weigh a little less. How many times do you have to use a two arm scale, in order to pick out the two fakes?

See The Solution Submitted by Federico Kereki    
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  Subject Author Date
AnswerK Sengupta2009-01-09 12:41:16
SolutionSolution without knowing if the fakes are equalBrian Smith2005-06-02 21:18:14
hmmmmmmmTaylor2005-04-09 23:41:08
re: Existential doubtjohn2005-04-06 16:53:47
Solutionre: GuessDavid2005-03-28 05:37:24
SolutionGuessDavid2005-03-28 05:33:41
Some ThoughtsExistential doubtFederico Kereki2005-03-27 22:29:30
SolutionEric2005-03-26 18:31:13
Some ThoughtsPossibilityKardo2005-03-26 07:31:28
Solutionre: thoughtspete2005-03-26 05:25:35
Some ThoughtsthoughtsCharlie2005-03-25 20:30:57
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