Puzzle:
You are standing in the first floor of the building next to 3 light switches.There is one room in the second floor of the building, where there are 3 light bulbs.Each light bulb is operated by the one of the switches next to you.Because the light bulbs are in another room you can not see them,
Now the question: One of the bulbs is not working.You can only turn on one switch and you can only make one trip to the room where the bulbs are.How to find out which bulb is not working.
Note: Don't forget to visit us again. Answer to the puzzle will be posted tomorrow with winner's name. You can provide your answer in comments.
Solution: Turn one switch on.
Case 1: If a bulb is on then the power is flowing to that bulb socket.take that bulb out and try the remaining two bulbs in the working socket.the bulb that is not working is the faulty one
Case 2:If no bulb is glowing.Take all three bulbs out.Try each bulb in 3 sockets,faulty bulb will not work in any of the socket.
Winner:
You are standing in the first floor of the building next to 3 light switches.There is one room in the second floor of the building, where there are 3 light bulbs.Each light bulb is operated by the one of the switches next to you.Because the light bulbs are in another room you can not see them,
Now the question: One of the bulbs is not working.You can only turn on one switch and you can only make one trip to the room where the bulbs are.How to find out which bulb is not working.
Note: Don't forget to visit us again. Answer to the puzzle will be posted tomorrow with winner's name. You can provide your answer in comments.
Solution: Turn one switch on.
Case 1: If a bulb is on then the power is flowing to that bulb socket.take that bulb out and try the remaining two bulbs in the working socket.the bulb that is not working is the faulty one
Case 2:If no bulb is glowing.Take all three bulbs out.Try each bulb in 3 sockets,faulty bulb will not work in any of the socket.
Winner:
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