Hello. My name is Corey and welcome to my short course on solving GMAT Data Sufficiency questions. Mastering this topic is an essential ingredient for a superb GMAT score and gaining acceptance into business schools. This course contains 75 actual GMAT Data Sufficiency questions with annotated solutions. Feel free to preview sample solutions so that you have an idea of what to expect in the rest of the course. Thank you for your time and I look forward to helping you maximize your GMAT data sufficiency skill set.

Check back often for more updates as I shall continue adding more problems. Contact me if you have any questions on the solutions.