The Art of Mathematics: Learn the Quickest, Trickiest and Conceptual way of doing it; specially for IAS CSAT, BANK PO/CLERK, SSC, RAILWAY, LIC ETC --- "Math Dikhta Hai"
Data Interpretation-20: Shortcut Tricks: By Amar Sir: Bank PO/Clerk/SSC ...
"Difference between the averages is same as the average between the differences"- This is the main concept of this DI: "Data Interpretation-20" Watch the video: https://youtu.be/w2RQJoIEtyg
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