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"
Average-03: Concept, Technique and Solution: Shortcut Tricks: By Amar Si...
"The definition of 'Average' is the key point in this chapter". Watch the video: "Average-03: Concept, Technique and Solution": https://youtu.be/sha9DbCyQ10
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