I bought this book from gorakhpur, uttar pradesh in year 2015 at the price of 450/- only.This is very useful book because its cover all chapters in very simple way. This book contains short tricks which are very help for you to cracking any competitive examination.
Every chapter is with detailed information and solved techniques. Dr.R. S agarwal and s.Chand’ s mathematics book gave you solution of your every queries.
As a aspirant of competitive exams I reccomeneded for purchase this book.
Thanku