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# GMAT Hacks, Quant 1800 Questions - Jeff Sackmann

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GMAT Hacks, Quant 1800 Questions - Jeff Sackmann [#permalink]

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24 Feb 2010, 13:32
For \$250 one can get 1800 questions from Jeff Sackmann (author of Total GMAT Math & Verbal, can be found and "Gmatproblems"). Has anyone tried them? Are they worth it?
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Re: GMAT Hacks, Quant 1800 Questions - Jeff Sackmann [#permalink]

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25 Feb 2010, 10:09
They are couple of people in the forum, who have praised GMAT Hacks Total math and the extreme challenge set. but not sure of the rest of the sets.

If you do not have any other resource for Math, probably this would make an ideal buy.
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Re: GMAT Hacks, Quant 1800 Questions - Jeff Sackmann [#permalink]

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10 May 2010, 06:30
Total GMAT Math contains a lot of problems throughout the chapters. Personally, I don't think think the 1800 questions are really necessary. TGM + Extreme Challenge Set is a great combo though.
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Re: GMAT Hacks, Quant 1800 Questions - Jeff Sackmann [#permalink]

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02 Oct 2010, 09:37
thanks for these posts - thinking of buying some of these sets myself to really cement what i learned in mgmat - unfortunately there just aren't enough practice questions at the back of each mgmat chapter!
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Re: GMAT Hacks, Quant 1800 Questions - Jeff Sackmann [#permalink]

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03 Sep 2011, 11:29

i am also thinking to buy 1000 challenge sets, but not sure abt the quality of those and i am short on time as my gmat date is 2 months after

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Re: GMAT Hacks, Quant 1800 Questions - Jeff Sackmann [#permalink]

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27 Oct 2011, 23:38
let me know if they were useful?
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Re: GMAT Hacks, Quant 1800 Questions - Jeff Sackmann [#permalink]

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06 Jan 2012, 13:51
1
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Quote:
let me know if they were useful?

I'm currently working my way through Jeff's sets at the moment (due to sit the exam in about a month). They're super-useful and an unbelievable resource. I can already feel my grasp of the key concepts improving - questions in the OG I would have struggled with before seem positively do-able. I'm more than happy to answer any specific questions about the sets; just fire me a message.
Re: GMAT Hacks, Quant 1800 Questions - Jeff Sackmann   [#permalink] 06 Jan 2012, 13:51
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