Trishna Knowledge Systems Quantitative aptitude for CAT / by Trishna Knowledge Systems. - Chennai: Pearson India Education Services, 2019. - xv, 6.104p.; 25.5 cm. ISBN: 978-93-5306304-7 Subjects--Topical Terms: Common Admission Test - Management Dewey Class. No.: R/Z 658.007 6 / TRI