This page lists the video explanations to all of the 220 quantitative reasoning questions in the Official Guide to the GRE General Test 3rd Edition.
The questions and the content in the GRE Math Review chapter from the Official Guide to GRE 3rd Edition are identical to the pdf document that one can download from ETS’s website at this link: GRE Math Review. You can use either source to access these practice questions.
GRE Quantitative Reasoning Practice Questions (page 153)
The Official Guide to the GRE General test contains two paper based practice tests. The playlists below provide video explanations to all of the 100 quantitative reasoning questions in these two practice tests.