CPLC ‘s Prof. Parag Chitale systematically deconstructs the problems which make quantitative aptitude seem ridiculously simple. In this video, he tackles one of the most interesting topics in quantitative ability with the help of an example pertaining to entrance tests.
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Whether it is CAT or GMAT, this series on InsideIIM is comprehensive and covers the fundamentals of all possible problems under the Quantitative Aptitude area. You can watch the entire course
here.