This book is a very important for JEE MAINS and advanced also for NEET aspirants and those who want to score high in their board exams of 11th and 12th classes, this book is being sold at a very affordable price and it has been used very minimally if only with the pencils. And it can be easily rubbed, it's not used at all, mostly And it has a lot of questions.The solution book is also being sold along with this at a very affordable price