Standard Deviation, Variance, Coefficient of Variation
Solved Paper Quantitative Techniques/Methods July 2009, January 2010 , July 2010
Solved Paper Quantitative Techniques/Methods January 2011
Range, Qaurtile deviation and Mean Deviation
Quantitative Techniques Volume-I
Quantitative Techniques Volume V
Quantitative Techniques Volume IV
Quantitative Techniques Volume III
Quantitative Techniques Volume II
Lecture Notes on Partial Differential Equations