offers hundreds of practice questions and video explanations. .

or to Clemmonsdogpark GMAT Prep.

Archive | Data Sufficiency

GMAT Tuesdays: Data Sufficiency – Watch Your Assumptions!

    Don’t get caught assuming too much on the GMAT. They are looking for students to make big assumptions when they are trying to save time. In this Data Sufficiency question, there is a big trap for anyone who assumes too much about the problem. For more practice with traps on Data Sufficiency questions, click […]

Continue Reading · 5

Tricky Data Sufficiency Questions

My most recent blog posts have concerned tricky Data Sufficiency questions about systems of equations. Specifically, they’ve been about what can go wrong when you misremember a rule and assume that it’s possible to solve for two variables if and only if you’re given two equations, and generally that it’s possible to solve for n […]

Continue Reading · 0