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Eze Software QA Analyst Interview Question

I interviewed in Boston, MA and was asked:
"You have eight golf balls with one slightly heavier than the rest and one leveling scale. What is the least number of times you can use the scale to figure out the heavier ball."
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Part of a QA Analyst Interview Review - one of 152 Eze Software Interview Reviews

Answers & Comments

of 1

Two times.

- Interview Candidate on Jun 28, 2010
of 0

2 times:

Weigh 3 vs. 3. If they weigh the same, it must be one of the two remaining golf balls, and you weigh once more to find out. If the 3v3 don't weigh the same, take the heavier three, and weigh two of them. If they're the same weight, it's the one ball you didn't weigh. If one is heavier, it's that ball. Voila.

- Interview Candidate on Apr 16, 2012

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