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Just a quick question for those of you who are in the know. I've been working through the Sentence Correction problems in the Official Guide, after completing Powerscore's Sentence Correction book. I was doing pretty well on the first 100 questions, getting 84% correct. But I noticed that now I'm getting quite a few more wrong in the next 100 questions. Is there a general pattern of the Official Guide having practice problems become increasingly difficult as they go from 1-140?
As esledge informed you, the questions do indeed become more difficult as you progress through the OG books. But don't become too alarmed by the increased number of questions that you answered incorrectly. The most valuable questions are the ones that you answer incorrectly. View them as an opportunity to identify and strengthen your weaknesses, as well as reinforce the concepts tested on the GMAT. The best way to do this is through an Error Log. If you haven't done so, please incorporate this into your studies. It will definitely help you to improve your performance.