GMAT On Demand: How to Simplify Data Sufficiency Problems

by Knewton, Mar 4, 2011

In this video, Jess and Rich show you the best methods for simplifying Data Sufficiency prompts and translating equations into more helpful forms. Pause the video at 00:21 and 4:10 to try two sample problems, then watch a walkthrough of the best way to solve them:

And remember this helpful tip from Jess: When Statement I and II provide exactly the same info (even if it comes in a slightly different form!), the only two possible answers are D and E.

Watch the video for more, and be sure to check out previous installments of this quantitative strategy lesson:

• Don't Solve Data Sufficiency Problems
• Testing Cases in Data Sufficiency

For more on-demand video help, check out these sessions on Critical Reasoning, Intro to Quant, and Sentence Correction.