There are 3 switches outside a room. You cannot see inside the room. One of the switches turns on a light bulb in the room . By going into the room only once how do you find out which switch turns the light on ???
PS For Faisal :Your miniature Donkeys cannot help !!!
Pranav, This is a popular interview puzzle. I was asked this in an interview last year, so were a couple of my friends. Ofcourse I knew the puzzle as well as the solution before I went in for the interview
When you have exhausted all possibilities, remember this: you haven't - Edison. Tiny ad: