In part two of Knewton’s Intro to GMAT Quant lesson, Jess and Rich walk you through the fundamentals of Data Sufficiency. Learn the two main types of DS questions you have to recognize on test day, and see how you do on an example of each one.
Be sure to check out Rich and Jess’s rule that has to be second nature for every GMAT student: On Yes/No Data Sufficiency questions, “no” does not necessarily mean “insufficient”!
Read the full article: Knewton Video: Intro to Data Sufficiency