Re: BRAIN TEASERS THREAD
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RIDDLE #2 - DIFFICULTY RATING 8.5/10
You have 12 coins, 11 weigh the exact same amount but one (you don't know which) is of a different weight (you also don't know whether its heaver or lighter. you have a scale, using 3 weighings figure out which coin is the odd one and whether it is heavier or lighter.
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can somone please post the answer
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