Does the New GMAC Product: "Official Advanced Questions" contain questions that were already present on previous Exam Packs (tests 1 to 6 in mba.com)?

I haven't taken those, and I don't wan't to bias the future close-to-official tests I still have.

No, the questions are different from questions in GMAT prep official mocks 1-6
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GMATNinja - hey, how would you rate the level of difficulty of the question provided by GMAC in their advanced book?
Are they really "that" tough as the actual difficult ones thrown by them on test day?

Thanks, please respond.

I'm not a big fan of the GMAT Advanced book, to be honest. Apparently, Wiley Publishing handed ~1500 retired questions to a contractor, and asked them to pick 300 of them for inclusion in the book. Generally speaking, Wiley doesn't succeed in hiring great people to tackle this type of task, and it shows.

I won't go too crazy with my list of complaints about the book, but the quant categories make very little sense, and the SC questions are overwhelmingly idiom-based, and not at all a reasonable sample of what the exam actually looks like. Basically, the questions were selected based on one person's opinion of what "advanced" means, and that didn't produce a very good result. Also, a substantial proportion of the questions appeared in much older resources (paper tests or old OG editions), so it's not entirely new.

Is it worth buying? Sure, if you just need more official practice questions, it doesn't hurt to use this one. But it's not fundamentally a good product.

I hope that helps a bit!
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Thanks a lot- as always you have provided a very detailed answer- totally hits what I was looking for.
I have the product and I agree on the SC idioms-based questions
Also, could you please suggest how to determine that I am test ready to say score 750-760 on GMAT? Some people on the forum have mentioned that the official gmac prep mocks 1-6 are not that difficult as the ones on the actual paper? What do you think I should be referring to in that case? What is true representation of actual gmat level/questions then?

Thanks and apologies for a follow up
Mk96.

Yeah, that myth seems to circulate far too often. Those mba.com practice tests are the closest you'll ever get to the real thing, and nothing else is remotely comparable.

Usually, when people say that the practice tests felt much easier than the real thing, it's either because they're freaking out on the real test (which is really, really common), or because they recognized some of the questions on the practice tests. This article addresses some of the reasons why somebody's practice test scores might not match their actual exam scores, and might be worth a read.

I hope that helps a bit!
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Wonderful. Thanks for guiding to me these articles.
Could you please let me know the full mocks that I should be purchasing or looking for online?
I think I want to 20-30 mocks before taking a GMAT date.
Could you please tell me the resources? MGMAT? SIGMA X? VERITAS? EXPERT GLOBAL? OFFICIAL MOCKS?

Hi GMATNinja, What sources do you suggest for practice of advanced Verbal and Quant question?