Permutation and Combination Tutorial

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Source: — Problem Solving |

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by vineeshp » Sun May 01, 2011 6:38 pm
There are enough resources.

The one I can immediately think of is platinumgmat.
https://www.platinumgmat.com/gmat_study_guide/

Then there are a few videos posted here by BTG. Check them out.
Vineesh,
Just telling you what I know and think. I am not the expert. :)