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GMAT Data Sufficiency Problems
Questions 151 - 155, pg 290


Free online video lessons from khanacademy covering the practice questions in the data sufficiency 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 these lessons are for GMAT Practice Questions 151 - 155 (starting from page 290 in the Study Guide)

Questions 151-153, pg. 290


Questions 154-155, pg.290





Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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