Process Engineer Interview Questions

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Given 9 billiard balls, with one out of 9 exhibiting a significantly different weight from the rest, and using a balance to measure mass, what is the minimum number of measurements that must be taken to be certain of which ball is the heavy one?
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Process Development Engineer

Interviewed at Wolfspeed

3.2
Jun 22, 2017

Given 9 billiard balls, with one out of 9 exhibiting a significantly different weight from the rest, and using a balance to measure mass, what is the minimum number of measurements that must be taken to be certain of which ball is the heavy one?

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