అర్థమేటిక్ & రీజనింగ్ గ్రూప్
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[52/93] Which state has launched Abhudaya programme to provide free coaching facility fir various competitive examination?
A. Madhya Pradesh B. Uttar Pradesh C. Uttarakhand D. Rajasthan
Cv=
(standard deviation/mean)100
standard deviation=20*30/100
Standard deviation=6
Variance=(standard D)^2
=6^2=36
