Speed Calculation – Become Master in Maths Calculation ( Save Time in Examination ) – By VipraMinds - Videos

Speed Maths Very Useful for Exams like Bank PO, SBI – PO, RBI Exams, MBA, MAT, CMAT, GMAT, CAT, IIFT, SSC, UPSC – CSAT, SCRA, Hotel Management, CBI, CPO exams

source