February 2017 (Port in a Storm)
December 2016 (Galaxy on Fire)
October 2016 (Shelter in Place)
August 2016 (Matchup)
June 2016 (Elevators)
April 2016 (Cell Towers)
February 2016 (Toy builder)
December 2015 (Crazy Cake)
October 2015 (Racecar design)
August 2015 (Moon Rover)
June 2015 (Campsite)
April 2015 (Desert Island)
February 2015 (Coins)
December 2014 (Electrifying)
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August 2014 (Good Burger)
June 2014 (Frog and Fly)
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February 2014 (Pizza Delivery)
December 2013 (Golf Queuing)
October 2013 (Chutes and Ladders)
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April 2013 (Subs vs. Battleships)
February 2013 (Chandelier Balancing)
December 2012 (Cookie Bake Off)
October 2012 (FarmOR)
August 2012 (Combination Locks)
June 2012 (Lost at Sea)
April 2012 (McEverywhere)
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December 2011 (Dice Game)
October 2011 (Movie Stars)
August 2011 (Logical Hospital)
June 2011 (Matchmaker)
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February 2011 (Best Host)
December 2010 (Miniopoly)
October 2010 (Home Improvement)
August 2010 (Relief Mission)
June 2010 (SurvivOR)
April 2010 (Patient 21)
February 2010 (Planet Colonization)
December 2009 (Fish Finder)
October 2009 (Connected & Infected)
August 2009 (Bridges)
June 2009 (Grocery Queuing)
April 2009 (Dance Scheduling)
February 2009 (Supply & Demand)
December 2008 (5x5 Poker)
October 2008 (3DPP)
August 2008 (Markov's Prison)
June 2008 (TSP)
April 2008 (Scheduling)
February 2008 (Decision Trees)
About the PuzzlOR
Analytics Treasure Hunt 2012
The PuzzlOR
Decision Support Puzzles for Applied Mathematicians
June 2010 - SurvivOR

Getting lost while hiking in the wilderness is a dangerous situation to find yourself in.  And making your way back to civilization is a difficult task that quickly uses up resources.  What you decide to take with you while making the journey back to civilization can determine life or death.
Table 1 shows all of the items that are available to you that will aid you in your hike out of the wilderness.  Containers of Food and Water will give you energy, Shelter will protect you from the elements, and Defense will protect you from wild animals.  Each item has a weight indicated by the red number and each item has survival points indicated by the green number.  You must take only one item from each of the four categories (Food, Water, Shelter, Defense).  Unfortunately, the backpack you have has a maximum capacity of 25 kg.  Your chance for survival is calculated by adding all of the survival points together from the items you choose to take with you.

Question:  What is the maximum chance for survival you can achieve?

Send your answer to puzzlor@gmail.com by August 15th, 2010.  The winner, chosen randomly from correct answers, will receive an “O.R. The Science of Better” T-shirt.
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