Numbers rule our world! Numbers are involved in everything we do - from purchasing something in a store, reading a book, driving a car, to doing mathematics! They are also the basic element of Quantitative Aptitude (QA) that occupies the most challenging and prominent place in all the major MBA entrance examinations. Master Number System for CAT and GMAT in its third edition offers an in-depth coverage of all the topics related to the number system. It provides an array of comprehensive class-tested material which will help the students to understand the basic concepts of number system as well as how to apply that knowledge to an ever-expanding set of numerical applications/problem/ questions. It acts as a sound foundation for mastering the concepts. • Over 1000 solved examples and practice questions • Enhanced coverage of GMAT and Data Sufficiency • Five tests for practice • Previous years’ questions appearing in XAT, SNAP and IIFT Table of Contents Chapter 1 All about Numbers Chapter 2 LCM and HCF Chapter 3 Remainder Chapter 4 Base System Chapter 5 Exponents Chapter 6 Factors Chapter 7 Divisibility Chapter 8 Cyclicity Chapter 9 Data Sufficiency Chapter 10 Questions from the Previous Years’ Papers Chapter 11 Section Tests