Problem 4: Phoney Russian Roulette

Heuristics to highlight

Act it out, Draw a diagram, Restate the problem in another way, Aim for sub-goals.

Two bullets are placed in two consecutive chambers of a 6-chamber revolver. The cylinder is then spun. Two persons play a safe version of Russian Roulette. The first points the gun at his hand phone and pulls the trigger. The shot is blank. Suppose you are the second person and it is now your turn to point the gun at your hand phone and pull the trigger. Should you pull the trigger or spin the cylinder another time before pulling the trigger?



Suitable hints for Pólya Stages I, II and IV


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