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3 bulb inside the room and they are connected with 3 switches outside the room. you are outside and you have tell bulb is connected to which switch? Once you enter the room you can't look outside. [Hint : no time constraint , bulb type is old filamented bulb]
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Assistant Systems Engineer, TCS (Ninja By NQT)

Interviewed at Tata Consultancy Services

3.5
Oct 27, 2021

3 bulb inside the room and they are connected with 3 switches outside the room. you are outside and you have tell bulb is connected to which switch? Once you enter the room you can't look outside. [Hint : no time constraint , bulb type is old filamented bulb]

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