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haas_mba07
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If you REALLY want to dive into permutations and combinations, Veritas has a dedicated gmat book for it.

https://www.veritasprep.com/GMAT_store/item-details/16/

I personally think that permutations and combinations are grossly overrated. Most that I've encountered are not of supreme difficultly, and they are not common. I'd stick out my neck and say that you can still get a Q50 without much knowledge of it.
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[quote="walletless"]


These links are dead........ :(
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2006 is quite dead as well...

Don't bump old threads where the content is dead.

jeeteshsingh
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For all those looking for Probability and Combinations Coverage - see these threads:

GMAT Club's Book project: gmat-math-book-87417.html
Massive Collection of Combinations and Permutations question by Walker: combinations-permutations-and-probability-references-56486.html
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