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Re: Maths problems (interesting ones)
Quote:
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Originally Posted by Steve Howland
Very fun puzzles...but here's one that has stumped pretty much everyone I know (similar to marble puzzle but harder)...
You have 12 identical-looking coins. One of the coins is a fake, yet you do not know which one it is nor if it weighs more or less than the other 11. Using 3 turns with a regular balance scale, determine which coin is the fake and if it weighs more or less than the other 11. (props to anyone who gets this in under a day)
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AHHHHH my brain hurts ... i need the solution!
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15-03-2005, 18:13
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