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Stickels Puzzle #1 In one room of a house are three separate switches that are connected in some order to three light bulbs in a second room. Is it possible to visit each room once and only once and determine which switches control which lights? (You may not use a screwdriver or unscrew light bulbs to gather clues). Yes No view results Back to top | Back to Main Page of Puzz.com - IQ Tests, Puzzles, Games & Contests   Web Puzz.com All IQ Tests Online Gaming Zone ©2012 Puzz.com, LLC & respective partners. All rights reserved. Our IQ tests are for entertainment purposes only. Privacy Policy