### Re: Maths Card Trick (Kruskal's Count)

For more information; including the probability of success and a bunch of other stuff; here is my own article about the phenomenon http://www.singingbanana.com/Kruskal.pdf Nice summary from Spiked Math: http://spikedmath.com/317.html (figures here are when the magician picks the first card) And, for the very keen, here is a more academic paper about Kruskal's Count http://arxiv.org/abs/math/0110143

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