Lead Systems Analyst Interview Questions

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You are outside a room with 3 lightbulbs, that are turned on, labeled 1,2,3. Outside the room there are 3 buttons that correspond to the lightbulbs inside. You can press the switches in any order without looking inside to turn light bulbs off. You can then go inside the room to determine which light corresponds to each light. How can you determine which light corresponds to what switch?
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Embedded Systems Engineer

Interviewed at Calix

4.5
Oct 10, 2017

You are outside a room with 3 lightbulbs, that are turned on, labeled 1,2,3. Outside the room there are 3 buttons that correspond to the lightbulbs inside. You can press the switches in any order without looking inside to turn light bulbs off. You can then go inside the room to determine which light corresponds to each light. How can you determine which light corresponds to what switch?

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