https://www.scribd.com/doc/36160983/Perm ... n-Formulas
Read this link, save it if you like. Very helpful!
Helped me a lot too!
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For those needing help in Permutations and Combinations
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vinitrathi1
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That material was not written for GMAT test takers. About 95% of the formulas in that document are completely irrelevant on the GMAT - you'll never see questions where you could use them. Be careful about working from material not designed specifically for the GMAT; often you'll spend a lot of time reviewing things that just won't help you on test day.
For online GMAT math tutoring, or to buy my higher-level Quant books and problem sets, contact me at ianstewartgmat at gmail.com
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vinitrathi1
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Actually the purpose of the site is an in-depth knowledge of the subject.
Although, I agree some of the formulas can't be used directly but i don't believe that Gmat tests follow a fixed pattern of asking questions. They can ask any questions relating to the areas of Math covered in the test! Am I right?
Although, I agree some of the formulas can't be used directly but i don't believe that Gmat tests follow a fixed pattern of asking questions. They can ask any questions relating to the areas of Math covered in the test! Am I right?
