Combinatorics/Probabilities Assistance

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drhomler: Master | Next Rank: 500 Posts; Posts: 141; Joined: Thu May 03, 2007 1:15 pm

by drhomler » Thu May 24, 2007 12:54 pm

Does anyone have suggestions for improvement in the aforementioned topic area. I am having issues with these types of questions. I have read through the resource material on the wiki, and it all seems to make sens but then when I get to themore challenging material on my practice tests, I feel like I am spinning my wheels not knowing where to begin. Should I jsut keep doing more and more practice problems? Please help

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Source: Beat The GMAT — Quantitative Reasoning | Thu May 24, 2007 12:54 pm

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Re: Combinatorics/Probabilities Assistance

by beatthegmat » Mon May 28, 2007 10:12 am

drhomler wrote:Does anyone have suggestions for improvement in the aforementioned topic area. I am having issues with these types of questions. I have read through the resource material on the wiki, and it all seems to make sens but then when I get to themore challenging material on my practice tests, I feel like I am spinning my wheels not knowing where to begin. Should I jsut keep doing more and more practice problems? Please help

I wouldn't stress this topic too much--for the most part, combinatorics and probabilities are rarely tested on the GMAT. At most, you'll see 1-2 questions, but perhaps none at all.

My advice is to understand the concepts but don't search too hard for practice problems. If you're feeling a bit paranoid (like I did) and want to have full mastery of the subjects, think about subscribing to https://www.deltacourse.com

Good luck!

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Stacey Koprince: GMAT Instructor; Posts: 2228; Joined: Wed Dec 27, 2006 3:28 pmFollowed by: 694 members; Location: Montreal, Canada; Thanked: 639 times; GMAT Score:780

by Stacey Koprince » Mon May 28, 2007 10:31 pm

These also tend to be the kind of question on which you can blow 8 minutes without even realizing it. Give yourself one shot at a combinatorics / probability question. If it doesn't work, make an educated guess and move on. DO NOT get sucked into wasting tons of time.

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