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Quant Review 2nd Edition - how difficult vs OG?

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by topperdoggle » Sun Jun 02, 2013 1:01 pm
After a practice test yesterday with a 47 in quant, I thought I was in reasonable shape. But now up to question 146/176 in Problem Solving in the QR2E, and it's seriously kicking my behind.

My confidence is taking a knock - are the questions in this book (by this stage) considered very difficult, or am I just not as prepared as I thought I was?

Test in two days... :(
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by Brent@GMATPrepNow » Sun Jun 02, 2013 1:26 pm
The questions in all of the latest official guides are arranged in ascending order of difficulty. So, your success rate will decrease as you progress through the books.

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by topperdoggle » Sun Jun 02, 2013 1:35 pm
Thanks for answering, but that's not what I asked. I know that, I am trying to understand if the QR questions get harder than the OG questions, or if it's psychological.

It's also not so much that I can't do them at this stage (just done 151), just that it takes a little longer than I like.

Having said that, a 47 in the practice test must be some source of comfort for me. I guess I just have to plod on and learn how to solve the ones I was clueless about.
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by Brent@GMATPrepNow » Sun Jun 02, 2013 3:36 pm
Sorry, I totally misread your question.

I can't say that I've noticed a big difference in difficulty levels between the OG questions and the QR2E questions. That said, I agree that you just need to keep on going.

The best indicator of your abilities is the official practice tests. If you're really interested in the level of your quant skills, you might consider just completing that portion of a practice test. Then again, if your test is in 2 days, there's not much you can do at this point.

My advice: shake off the tough questions and stay confident.

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by topperdoggle » Sun Jun 02, 2013 11:33 pm
Update, now I've finished the section. 140/176 => 79.6% correct - I can't be too unhappy with that. Now to go through my mistakes and try to learn from them, then 124 DS to cover.

I do seem to get them wrong in clumps. Interesting whether that is a coincidence or meaningful.
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by Matt@VeritasPrep » Mon Jun 03, 2013 10:24 am
topperdoggle wrote:Update, now I've finished the section. 140/176 => 79.6% correct - I can't be too unhappy with that. Now to go through my mistakes and try to learn from them, then 124 DS to cover.

I do seem to get them wrong in clumps. Interesting whether that is a coincidence or meaningful.
I'd say the quant review is about the same difficulty as the big (phonebook sized) OG, be it 12th or 13th edition.

Also know that there's a pretty large margin of error for a Q47 on the real test - I'd imagine you could miss anywhere from 12-16 questions and get that score, depending on which questions you miss. (Just don't miss too many in a row, basically. :D)

79.6% correct in practice is great, of course, but if you get the first two questions right on quant you're unlikely to see anything as easy as the first 40%-50% of the questions in the quant review or the OG, so those stats aren't terribly meaningful. The GMAT isn't like most standardized tests (or final exams): it isn't how many you get right, it's WHICH questions you get right. I've seen students get Q46-48 on the GMATPrep despite correctly answering only about 60% of the questions.
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