GMAT Data Sufficiency Problems
Questions 91 - 106, pg 285 - 287

Free online video lessons from khanacademy covering the practice questions in the problem-solving math section of 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 91 - 106 (starting from page 285 in the Study Guide)

Questions 91-93, pgs. 285-286

Questions 94, pg. 286

Questions 95-98, pg. 286

Questions 99-102, pg. 286

Questions 103-106, pg. 287

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