Quantitative Aptitude
Dr.P.R.Vittal is a postgraduate professor in mathematics at Ramakrishna Mission, Vivekananda
College, Chennai.
He retired as the principal of the college in 1996.
His vast experience in teaching includes as a visiting professor at Western Carolina University,
USA; research work in coordination with a number of universities in USA and Canada. At
present, Dr. Vittal is a visiting professor in the Department of Statistics, University of Madras.
He also authored more than twenty books on Mathematics, Statistics and Operation Research.