Renowned author Arun Sharma who is an known CAT trainer. This book is essential for aspirants to develop skills in DI to the level where they can comfortably attempt questions based on this topic. It gives clear guidance on how to attempt the various types of questions in less time and with more efficiency. This book is a must-have for aspirants appearing for any and all MBA entrance examinations as it includes the latest pattern of questions presently asked in the examination.This book has many examples which gives deep knowledge to the student on the subject.