The knowledge learned from this book has been entirely rewritten for this version, starting with the most fundamental notion and working up to the most complicated ones, to enable improved understanding and application. The book aids students in gaining a firm grasp of the most difficult CAT section, Quantitative Aptitude, which is also the most difficult and prominent portion of all the main MBA admission exams, including CAT, SNAP, XAT, and IIFT. The topics are covered in depth, with in-depth analysis, tips, and tactics. Every chapter includes the special "Test Your Learning" feature. This will make it easier to assess the knowledge that has been learned over the learning curve.