It is a good book as per concepts and numericals are concerned.This book is beneficial for qualifing in competative exams like Mains, Advance, and other engineering and medical subjects.This also gets revised thoroughly every year.The book also contains solved examples which gives a fair idea of how to solve a question or how to approach towards it.This book also has Multiple choice questions and one mark questions to get an idea about every type that can be considered.Conclusion, It's a good book to students preparing for competition.