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# GMAT Club Tests vs. Jeff Sackmann's Extreme Sets

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SVP
Affiliations: HEC
Joined: 28 Sep 2009
Posts: 1569
Concentration: Economics, Finance
GMAT 1: 730 Q48 V44
Re: GMAT Club Tests vs. Jeff Sackmann's Extreme Sets  [#permalink]

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30 Jun 2011, 07:50
Very interesting find, DevilDoggNC! But perhaps we were confused about the terms "Extreme Challenge" (one problem set) and "Math Challenge" (a compilation of problem sets). Thanks for the clarification.
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Joined: 20 Dec 2010
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Schools: UNC Duke Kellogg
Re: GMAT Club Tests vs. Jeff Sackmann's Extreme Sets  [#permalink]

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30 Jun 2011, 11:38
bmillan01 wrote:
Very interesting find, DevilDoggNC! But perhaps we were confused about the terms "Extreme Challenge" (one problem set) and "Math Challenge" (a compilation of problem sets). Thanks for the clarification.

No problem! I used the "click to look inside" feature on Amazon to look at a few pages. Sackmann has 3 levels of problems -- Level 5 (560-620 level), Level 6 (620-720 level) and Level 7 (720+). It seems like a very comprehensive book -- but the price is a bit on the steep side (\$150). I am also told (from sources on this and other forums) that the Manhattan Advanced Quant book is also very good and only costs \$ 15.
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Joined: 22 Jan 2013
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Re: GMAT Club Tests vs. Jeff Sackmann's Extreme Sets  [#permalink]

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04 Jun 2016, 23:10
Go witht he GMAT club tests. Also check out gmat quantum, the explanations are the best
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Re: GMAT Club Tests vs. Jeff Sackmann's Extreme Sets  [#permalink]

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29 Aug 2018, 21:26
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Re: GMAT Club Tests vs. Jeff Sackmann's Extreme Sets   [#permalink] 29 Aug 2018, 21:26

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