There are 9 similar balls. Eight of them weigh the same and the ninth is a bit heavier.

**How would you identify the heavier ball if you could use a two-pan balance scale only twice?**

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There are 9 similar balls. Eight of them weigh the same and the ninth is a bit heavier.

**How would you identify the heavier ball if you could use a two-pan balance scale only twice?**

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