This is a set of two books, both 11th and 12th. This book is amazing and its of great help. It has a great variety of mcqs which will help you in your competitive exams. Every chapter has 100 mcqs and an analysis along with a synopsis. This book is in great condition with no page torn or stained. Actual amount of this book is 600, Im selling at 50% off. Worth buying. The book is must buy for your entrance exams.