GMAT Data Sufficiency Problems
Questions 28 - 50, pg 280 - 281

This series of videos by khanacademy will show you how to answer the practice questions in the data sufficiency math section of the The Official Guide for GMAT Review

It would be best that you go through the GMAT practice test questions in the Study Guide first and then look at the videos for the questions that you might need help in.

The videos on this lesson are for GMAT Practice Questions 28 - 50 (starting from page 280 in the Study Guide)

Questions 28-32, pg. 280

Questions 33-36, pg. 280

Questions 37-41, pgs. 280-281

Questions 42-46, pg. 281

Questions 47-50, pg. 281

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