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9 balls with same diameter and color with 1 of them heavier or lighter than the others. You are given a balance and you can use it only 3 times. How can you tell which one is different from the others and is it heavier or lighter?
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JavaEE Programmer

Interviewed at Savoir-faire Linux

3.5
Nov 5, 2016

9 balls with same diameter and color with 1 of them heavier or lighter than the others. You are given a balance and you can use it only 3 times. How can you tell which one is different from the others and is it heavier or lighter?

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