Beat the calculator-Find the cube of 997 within 5 seconds, Magical concept #1
I have started a new series of concepts and their applications in SSC and CAT exams. This series is named as Magical concept . In these sessions, we will discuss the questions asked in SSC CGL pre 2011, SSC CGL pre 2016, SSC CGL MAINS 2015 and analyse the concept with questions asked in previous SSC exams.
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