Wiley ExamXpert QA Simplified for CAT has been written keeping in mind the needs of those who wish to enhance their quantitative aptitude for the various management entrance examinations. The book adopts a unique pedagogical style in that it discusses key concepts of Quantitative Aptitude by providing illustrations and solved examples and follows each key concept by a battery of questions relevant to that concept for better learning retention. The book has been authored by Mr. Ashu Jain who is a serial CAT taker and a multiple times 99 percentile scorer on the CAT.