Amannegi4's Profile
Curious
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Amannegi4 loves solving puzzles at PuzzleFry.com. I am proud PuzzleFry member and like my time invested in solving brain teasers.
  • RE: Bulb switches riddle
    Curious Asked on 14th September 2018 in Interview Puzzles.

    Switch on the first button for a few minutes, then switch it off. Then switch on the second button and enter the room, if the bulb is not lit and if the bulb is hot then the first button is the right one, if the bulb is neither lit nor hot then the third button is the right one and if the bulb is lit then obviously the second bulb is the right one.

    This answer accepted by SherlockHolmes. on 15th September 2018 Earned 20 points.

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