GMAT Practice Questions Questions 217 - 236, pg 182 - 185
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.
These video lessons are for GMAT Practice Questions 217 - 236 (starting from page 182 in the Study Guide)
Questions 217-220, pg. 182
Questions 221-225, pgs. 182-183
Questions 226, pg. 183
Questions 227-231, pgs. 183-184
Questions 232-236, pgs. 184-185
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