Your search results

Problem solved flyer No. 8

Posted by Shaun on August 24, 2012
| 0

Answer:

Keep the first bulb switched on for a few minutes. It gets warm, right? So all you have to do then is … switch it off, switch another one on, walk into the room with bulbs, touch them and tell which one was switched on as the first one (the warm one) and the others can be easily identified …