S Aggarwal PDF: If you have ever thought of giving any competitive exams one of the most commonly advised books that you will come across will be the Quantitative Aptitude by R. RS Aggarwal Quantitative Aptitude Book PDF Downloadĭownload Quantitative Aptitude by R.Quantitative Aptitude by R.S Aggarwal PDF Free Download – 2020.RS Aggarwal Quantitative Aptitude Book PDF.File Name: rs aggarwal quantitative aptitude full book.