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There are 3 boxes. One has blue marbles. One has white marbles. One has both color marbles. All boxes are incorrectly labeled. Each box has a crank which dispenses exactly one marble at a time. what is the minimum number of times a crank must be turned in order to determine the correct labels for the boxes?
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Software Engineer/Web Developer

Interviewed at Pilot Flying J

3
Sep 11, 2014

There are 3 boxes. One has blue marbles. One has white marbles. One has both color marbles. All boxes are incorrectly labeled. Each box has a crank which dispenses exactly one marble at a time. what is the minimum number of times a crank must be turned in order to determine the correct labels for the boxes?

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