What actually is data interpretation and reasoning in cat ???

As per the basic requirement of a good manager,  a logical thinking process is a must, which is analysed in the CAT examination. CAT assesses the logical thinking aptitude of the candidates, and the Data Interpretation (DI) and Logical Reasoning (LR) section of the test is closest in resemblance to the kind of problems one might face as a manager. This section tests your decision-making ability and speed using limited input.

DI & LR section will have a time limit of 60 minutes to answer 32 questions. Practice is the key to crack this section. But it is also important to prepare while keeping an eye on the watch.

Explore more at https://www.careers360.com/mba/articles/cat-how-prepare-for-di-lr

The books to prepare are:

How to Prepare for Data Interpretation for the CAT by Arun Sharma (Tata McGraw-Hill)

How to Prepare for Logical Reasoning for the CAT by Arun Sharma (Tata McGraw-Hill) is a workbook with practice questions and tips based on previous CAT papers.

How to prepare for Data Interpretation & Logical Reasoning for CAT by Arun Sharma

Nishit Sinhas The Pearson Guide to Logical Reasoning and Data Interpretation (Pearson) covers a wide range of topics explained in an easy-to-understand manner.

The Great Book of Puzzles & Teasers by George J Summers