Flick the 1st switch on for (randomly) 10 minutes. Then flick it off, and flick the 2nd switch on. Now go into the room with the bulbs. If the bulb is on, you know it is the 2nd switch. If it is off, go touch the bulb. If it is hot, it was the 1st switch, if its cold, it has to be the 3rd switch. Of course, this is assuming that there IS a switch that can turn the bulb on.Originally Posted by Marty
p.s. I'll try solve the Einstein puzzle when I've got free time.
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