In the fifth and final installment of Knewton’s Intro to GMAT Quant Lesson, expert teachers Jess and Rich give you a chance to try out some tricky Data Sufficiency questions involving ratios. They’ll also talk about proportions, and give you a list of common powers and common decimal-fraction-percentages equivalencies to memorize in order to save time on test day.
If you missed any of the previous lessons, be sure to check them out here!
Read the full article: Video: GMAT Ratios 101