You have 13 balls which all look identical. All the balls
are the same weight except for one. Using only a balance
scale, can find the odd one out with only 3 weighings?
Is it possible to always tell if the odd one out is heavier
or lighter than the other balls?
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Answer Posted / rahul khanduri
Little difficult, I found the soln then I forgot, and I am too lazy to right it here, so basically you have to use little brain, you have to think that if one side is heavy this can't be because of this and that, I think op got my ans.
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