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GMAT Data Sufficiency Problems
Questions 73 - 90, pg 284 - 285

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 73 - 90 (starting from page 284 in the Study Guide)

Questions 73-76, pg. 284

Questions 77-79, pg. 284

Questions 80-83, pg. 284

Questions 84-86, pg. 285

Questions 87-90, pg. 285

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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