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.
### The videos on this lesson are for GMAT Practice Questions 73 - 90 (starting from page 284 in the Study Guide)

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.

**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 **

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