I just published the video explanations to all of the 373 quantitative reasoning questions in the GMAT Official Guide Quantitative Review 2021, which was released as an ebook in late April 2021. The physical copy of the guide is scheduled to be released on 3rd June 2020. There are a total of 212 Problem Solving questions and 161 Data Sufficiency questions. Out of these 54 are newly released questions in this guide: 36 Problem Solving questions and 18 Data Sufficiency questions.
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