Hello friends I am shibananda sahoo most of time we follow Quqntitavive Aptitude book that helps me to esy solutions.
The of the book Quantitative Aptitude book is R.S. Agarwal and he was a best outher in our locality.In this book he solved many difficult question in very easy method that was unplisant.
It consist of many subject like number system, profitloss , patnership, persentage, ratio etc etc.
It is a very useful book and many students are following this authers of the book.Every can follow this book one who prepare for compitative exam.
Thank you