Sr Business Analyst Interview Questions

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There are three rooms with light bulbs inside and the switches to the same outiside. The rooms are completely closed with no windows and just one door. You can only open the door once and once the doors are opened you cannot modify the switches. How will you find out which switch belongs to which bulb.
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Senior Business Analyst

Interviewed at Tata Consultancy Services

3.5
Dec 15, 2014

There are three rooms with light bulbs inside and the switches to the same outiside. The rooms are completely closed with no windows and just one door. You can only open the door once and once the doors are opened you cannot modify the switches. How will you find out which switch belongs to which bulb.

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