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Solution to Problem 1
Congratulations and $5.00 go to this week’s winner:
Jeffrey Decker
Honorable Mentions go to
Daniel M Reeves and Dawn Senst .
Correct solutions also were received from John Dahlstrom, Kathy Kamiensky, Kevin Bourrillion, Tara
Scott, Mike Fitzpatrick, Don Wood, Nina Kambylis, Kevin Kerr, Ryan Schlangen, Kathy Kamiensky,
Joshua McMinn, Joshua Beenders, William Colbert, Steve Schultz, Kevin Fanter, Andrew Musser and
Casey O’Connor, Matthew Smith, Jason Pavlat and Brad Lemke, Patrick Liddell, Brice Arnold, Ed
Bellinder and Brad Rohrer, Rob Reid, Laura Barte, Carl Aten, Mike Reinhardt, Matt Nygren.
The most transparent solution to the problem asks the following questions:
Question 1: When you write your number in base two, is the ones digit a 1?
Question 2: When you write your number in base two, is the twos digit a 1?
Question 3: When you write your number in base two, is the fours digit a 1?
Question 4: When you write your number in base two, is the eights digit a 1?
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 Spring '10
 AlbertoDelgado
 Combinatorics

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