How representative is OG 12 DS/PS to actual GMAT

Question

A question for those of you who have already written the GMAT:

I realize that the GMAC writes the OG but just how close are the DS/PS questions to the real deal in terms of difficulty? In other words, if your comfortable with the concepts and can answer the questions in the OG should you expect the actual GMAT to contain problems with a significant leap in difficulty? Or rephrased again, how well are the 700+ level questions represented in the OG 12?

I guess what I'm asking is for those of you who have written the GMAT, when you look back on the OG, was it a little too easy for those aiming for 700+?

Thanks for the input.

currency

TheSituation · Answer

Come on, really? Not even one taker?

Even a short answer would be ok.

IanStewart · Answer

While OG12 has quite a few more high difficulty level questions than OG11 (particularly in the DS section), keep in mind that the OG represents the full range of difficulty you can encounter on the GMAT, and it's really only in the last 40-50 questions in each section (and in the diagnostic test at the beginning of the book) that you find many high level questions. GMATPrep gives a much more reliable indication of what to expect on test day if you're a 700+ level scorer, and GMATFocus is good for that as well, though it is a bit expensive for what you get.

BarneyStinson · Answer

Trust me, GMAT math on the real deal can throw you off your seat, the practise that OG offers is comparatively lame. You have just 40/50 questions in each of the sections and a couple of diagnostic test questions on the OG, most of them repeat on the GMATPrep as well. So your practise question bank is actually very very limited.

You need to practise to quickly spot the problem with the posed question, think of an appropriate approach immediately, start implementing your ideas to drive towards a solution and finally, get to the right solution. All this within just a minute and a half. If even 5 questions can take you off-guard on the test, you need to learn to get back in to the groove. This demands an immense amount of practise. Trust me, purchase the GMATClub prep tests and try them out. You can conquer math only by sustained, intense practice.

TheSituation · Answer

Thanks for the responses guys.

That is what I hoped - that the OG contains at least some 700+ level questions. Once I am confident with all the OG material, take another run thru my error log and maybe review the MGMAT quant books again briefly I will move on to the GMATclub tests.

Something barney said resonated well with me, about the only way to conquer the quant is thru sustained, intense practice. I've been doing that but at times have wondering if I'm just not "getting it" quick enough. I've come to realize that most GMAT takers can't just steamroll the quant without significant prep beforehand, even if they are strong in math.

Thanks fellas

adalfu · Answer

I find the OG math (both OG12 and OG Math) to be quite easy and doesn't really represent many harder questions (for those striving for 700+)... It at least gave me a false sense of security, so I gotta practice some of the more challenging questions here on the forum (and the gmatclub tests)

target2011 · Answer

Totally agreed with all you guys. 
I did few questions from OG12 (CR) and then taken a practice test. I found some of them were repeated. This must be true with PS as well.

Today only I was solving PS questions from OG12, and I got 16/18 correct. Then I opened this site to check this issue. Frankly speaking, feeling good that somebody in in same boat as of mine : Question bank is limited.

What is the other practice material, which can hold little more difficulty level questions.

How representative is OG 12 DS/PS to actual GMAT

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