General GMAT Questions and Strategies | Re: Most effective way to study with MGMAT and OG Guides

As you study OG, it's a good idea to keep a tracker -you can either do this with pencil and paper with the book - or use online trackers.

We provide one here complete with video solutions to OG Sentence Correction questions that can be helpful for your studies: http://www.gmatpill.com/official-guide- ... ition=2016

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