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, Sentence correction,Problem solving, Data sufficiency, Essays and critical reasoning section of the GMAT.
Permutations definition
ReplyDeleteWhat is a permutation? , define Permutation, why we use permutation?
http://www.infoaw.com/article.php?articleId=945