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Order matters? - Combination Problems

Problem Solving — algebra and arithmetic (GMAT Focus Edition)
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Order matters? - Combination Problems

by mjc463 » Wed Jul 04, 2007 8:56 pm
Can someone please give me a tip on how to distinguish when order matters and when it DOESN'T matter when reading a combination problem?

i.e. I am having trouble figuring out when to use the MGMAT strategy of "YYYNNN" anagram versus a "123NNN" anagram.

Thanks so much for the help.
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by beatthegmat » Fri Jul 06, 2007 7:24 am
Have you read through the permutation/combination notes on the GMAT Flashcards? https://www.beatthegmat.com/viewtopic.php?t=32
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by anayeri » Sun Nov 30, 2008 2:57 pm
Hi Eric, I did read through your flashcards, but am still terribly lost on permutations.

can anyone explain the original question please?
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