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Book/ebook/ecourse for combinations/permutationprobabilities

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leilak
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Book/ebook/ecourse for combinations/permutationprobabilities [#permalink] New post   17 Mar 2010, 02:57
Hello :)
I currently have the manhattan gmat guides which are brilliant, except for the part in which they explain combinations and probabilities (with anagrams which is more of a workaround ). So I am looking on a goos book or online course for this subject. I wanted to buy the veritas book but it is no longer availabe :(
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Re: Book/ebook/ecourse for combinations/permutationprobabilities [#permalink] New post   17 Mar 2010, 07:41
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Take a look at gmat-math-book-87417.html
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Re: Book/ebook/ecourse for combinations/permutationprobabilities [#permalink] New post   17 Mar 2010, 07:48
Before you over-commit to the anything beyond the basic concept of combinations and permutations, you should know that both question types are very rare on the GMAT. I didn't see more than one or two when I scored 50 on quant and I didnt see any at all when I scored 47.
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Re: Book/ebook/ecourse for combinations/permutationprobabilities [#permalink] New post   17 Mar 2010, 12:28
Avernusaur wrote:
Before you over-commit to the anything beyond the basic concept of combinations and permutations, you should know that both question types are very rare on the GMAT. I didn't see more than one or two when I scored 50 on quant and I didnt see any at all when I scored 47.


I second that, I saw one discrete probability for an official Q48 - these questions are indeed rare.
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Re: Book/ebook/ecourse for combinations/permutationprobabilities [#permalink] New post   18 Mar 2010, 01:13
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True - you can get MGMAT Word Translations book - it covers these question types.
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Re: Book/ebook/ecourse for combinations/permutationprobabilities [#permalink] New post   18 Mar 2010, 07:29
Thank you for all your suggestions :) i will practice from the manhattan book and from the math book on this forum. I was under the impresdion that vombinations are very popular in the real exam. I read some debriefs where the writers had had about 4-5 questions on the test...
Thank you again

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Re: Book/ebook/ecourse for combinations/permutationprobabilities [#permalink] New post   18 Mar 2010, 07:33
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leilak wrote:
Thank you for all your suggestions :) i will practice from the manhattan book and from the math book on this forum. I was under the impresdion that vombinations are very popular in the real exam. I read some debriefs where the writers had had about 4-5 questions on the test...
Thank you again

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Hmm... not really that popular. I had 1 probability question that involved combinations but that's really it.
I can tell yo with certainty that I bombed it but still got 49 for quant.
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Re: Book/ebook/ecourse for combinations/permutationprobabilities [#permalink] New post   18 Mar 2010, 08:07
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I took GMAT twice and had 2 prob/com problems each time. So, it is not so popular.
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Re: Book/ebook/ecourse for combinations/permutationprobabilities [#permalink] New post   18 Mar 2010, 10:58
I'm hoping that this ave number for these types of questions hold for when I write the real thing - I can't stand combinations and probability - really confuses me!
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Re: Book/ebook/ecourse for combinations/permutationprobabilities [#permalink]
18 Mar 2010, 10:58

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