This is a very good and most reliable book for beginers.I personally have this book. The best thing about this book is its different type of question content with level wise.The writer Mr.Rd sharma is a famous mathematician who wrotes different maths book for boards as well as for competition.The theory contents is also in simple language that a beginners can understan very easily. The most good this is that its price is affordable. For practicing alot with basics then this book proves to be best.I suggest everyone specially for beginners to buy this book.trust me it is best book of maths for boards as well as competiti.on