let's GMAT

This blog is dedicated to GMAT aspirants who want tips; strategies,practice questions,learning videos and study notes on how to tackle the Reading comprehension,Problem solving, Data sufficiency and critical reasoning section of the GMAT.

Showing posts with label GMAT modern math. Show all posts
Showing posts with label GMAT modern math. Show all posts
Monday, October 12, 2009

5 crucial points to keep in mind while solving a permutation combination problem

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1.ARRANGMENT N terms can be arranged in N! ways, if each position can be occupied by one term. N terms can be arranged in NM ways if each po...
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