Here’s another set of video explanations (one math, one verbal) of practice problems found in ETS’s Paper-based Practice Test for the Revised GRE, a PDF released by the test-makers themselves.
You can find the whole set of explanations for every practice problem here. Enjoy!
Math: Section 5, Question #17 on page 78 that begins: “The two corporate sectors that increased their
support for the arts from 1988 to 1991 made a total contribution in 1991 of approximately how many million dollars…”
Verbal: Section 3, Question #17 on page 56: a Sentence Equivalence question that begins, “Since becoming commissioner, Mr. Vincente has snapped at the heels of the dominant firms in European industry more…”