#[http://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=10&cad=rja&uact=8&ved=0CF4QFjAJ&url=http%3A%2F%2Fwww.math.uiuc.edu%2F~wgreen4%2FMath124S07%2FPermuCombinations.pdf&ei=a7w_VIasHcf6mQX5tIJI&usg=AFQjCNH5YLBAQxmJGZif134MX9nBz9F3QA&bvm=bv.77648437,d.dGY/ Permutations vs. Combinations pdf]
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==ಉಪಯುಕ್ತ ವೆಬ್ ಸೈಟ್ ಗಳು==
==ಉಪಯುಕ್ತ ವೆಬ್ ಸೈಟ್ ಗಳು==
#[http://www.mathsisfun.com/combinatorics/combinations-permutations.html Permutation and combination mathsisfun]
#[http://www.mathsisfun.com/combinatorics/combinations-permutations.html Permutation and combination mathsisfun]