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February 21st, 2012, 05:00 PM   #1
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Winning Strategy of A Card Game

An ordinary deck of cards, face down, is placed in front of you in a stack.
A dealer turns the top card of the stack face up and puts it on a separate pile, and does this repeatedly until you say "now!".
At the instance you say "now!" he turns over the next card and stops.
You can say "now" at any time from the very beginning (before the first card is turned over) until almost the very end (just before the last card is turned over).
You win if the last card turned over --- the one turned over just after you say "now" --- is red.

What is the winning strategy?
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February 22nd, 2012, 01:23 PM   #2
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Re: Winning Strategy of A Card Game

Say now when the number of black cards turned over is > number of red cards turned over.
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