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Video: Key Divisibility Rules
August 14, 2012
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On the GMAT, you need to recognize properties of numbers, and you don't have a lot of time. This week's video demonstrates a series of techniques to help you identify whether numbers are divisible by 2, 3, 4, 5, 6, 9, and 10.
About the author: Jeff Sackmann has written many GMAT preparation books, including the popular Total GMAT Math, Total GMAT Verbal, and GMAT 111. He has also created explanations for problems in The Official Guide, as well as 1,800 practice GMAT math questions.
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Total GMAT Math
The comprehensive guide to the GMAT Quant section. It's "far and away the best study material
available," including over 300 realistic practice questions and more than 500 exercises! |
