In any of the competitive exams special attention is given on Data Interpretation and Data Sufficiency part. In the data interpretation, cases are given to the candidates. One has to read between the lines to unearth the data, which helps to interpret how efficiently candidates are able to make important decisions in any of the organizations. The new revised edition of Prep Guide DI/DS plays very important role in the prepared after a comprehensive research on problems, generally faced by students on the basis of examination pattern. The book has been divided into 10 segments covering every possible concept that is important for the exam. Each chapter provided in this book has been begins with the brief introduction that will make students understand the concepts completely and clearly. Each question has been given with the clear indication along with the proper guidelines to solve them and every question has separate theory, Solved Examples and Exercises, Exercises in every chapter has been divided into parts; (i) Base Level Exercise and (ii) Advanced Level Exercise which are fully solved and all questions have been asked from previous year various papers. The Guide is a ready reckoner to prepare for different competitive examinations like CAT, MAT, CMAT, XAT, IIFT, SNAP, MHT-CET, Bank (PO/Clerk), Railways, UPSC, SSC (CGL/CPO). Like a true Guide in your way of learning Data Interpretation and Data Sufficiency, the book will help you develop conceptual understanding. TABLE OF CONTENT Introduction, Data Table, Bar Graph, Line Graph, Pie Chart, Radar, Triangular,...., Graphs, Mixed Graphs, Caselets, Arithmetic Data Interpretation, Data Sufficiency.