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You are outside a room with three light switches. Through a door there are three light bulbs, each connected to one of the three switches. You can only enter the room once. How can you figure out which switch corresponds to each light bulb?
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Graduate Product Development Engineer

Interviewed at Intel Corporation

3.9
Jun 10, 2015

You are outside a room with three light switches. Through a door there are three light bulbs, each connected to one of the three switches. You can only enter the room once. How can you figure out which switch corresponds to each light bulb?

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