24 Standard Interview Puzzles – 3 SWITCHES 1 LIGHT

    {“en”:”Hello friends, this is ajay.Now i will explain a new puzzle i.e 3 Switches and 1 light sunlight. The puzzle question is u have given a set of 3 light switches and only one of the them will controls the light. Based on the conditons u have to determine the correct switch that controls the light. The logic is simple. You have given only one chance one chance to go inside the room to see whether the light is on or off and another one is you can turn on or off the switch as many times as you want. So these two features two features are useful for you and this one is you can’t see anything else from outside the room. So by using these two features, we can determine the answer to this puzzle, we can find out the answer to this puzzle. First turn on any one of the switch and let it on switch and let it on for 10 minutes then turn of the switch and turn on another switch. Now you go inside the room and see whether the light is on or off.

    If the light is If the light is on, then the second switch is the correct one or else if you feel it is hot by touching it, then the first switch is the correct one is the correct one. So in case any of the two conditions wont satisfy, then 3rd switch is the correct one. So by this you can find out the correct switch that controls the light. Thank you Subscribe to COMSCIGUIDE. “}

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