This is the best book to learn quantitative aptitude. The book contains some 100’s of problems which are enough to stand in competition. Useful for Banks, SSC, UPSC, PSU, MBA exams, state and central government exams. Every topic has examples and every question has solution and explanation. Solutions are explained in a well mannered. All beginners and also aspirants practice this book. Every model is explained and you can easily understand. Start with this book and later you can go with other books. This is the best and unbeatable book.