Yash, As you may be knowing that CAT is one of the biggest and toughest management entrance examination in India whose score is accepted by the 20 IIMs and many other B-schools across the country. So, the study material which you are going to use for your preparation should be from credible authors, newest editions and should include all the topics in CAT syllabus. So, here are a few books which you can refer to for your preparation:--

HOW TO PREPARE FOR QUANTITATIVE APTITUDE FOR THE CAT by Arun Sharma

QUANTITATIVE APTITUDE FOR THE CAT by Nishit Sinha

NCERT TEXTBOOKS from Class 6 to 10

WREN & MARTIN

WORD POWER MADE EASY BY NORMAN LEWIS

MASTERING THE VERBAL ABILITY FOR CAT by Ajay Singh

HOW TO PREPARE FOR VERBAL ABILITY AND READING COMPREHENSION FOR CAT by Arun Sharma and Meenakshi Upadhyaya

HOW TO PREPARE FOR DATA INTERPRETATION FOR THE CAT by Arun Sharma

FICTION NOVELS for the VARC section preparation which may include books like the Sherlock Holmes series, Harry Potter series, The alchemist etc.

Also, if you want to know about the strategy to adopt for different sections and all the books and materials for your preparation, then you can refer to the following link

https://bschool.careers360.com/articles/best-books-for-cat-preparation/amp

Hi aspirant,
One single book cant be regarded as best suitable though ill provide you with name of few good books for CAT-
FOR DATA INTERPRETATION AND LOGICAL REASONING-
-CAT 2020 Data Interpretation & Logical Reasoning
Gautam Puri
-Logical Reasoning and Data Interpretation for the CAT
Nishit K. Sinha
-Data Interpretation & Data Sufficiency
Ananta Ashisha
-How to Prepare for Data Interpretation for CAT
Arun Sharma
FOR VERBAL ABILITY AND READING COMPREHENSION-
-How to Prepare for Verbal Ability and Reading Comprehension for CAT
Arun Sharma and Meenakshi Upadhyay/Arihant
-30 Days to a More Powerful Vocabulary Mass Market Paperback
Wilfred Funk & Norman Lewis/ Simon & Schuster
-How to Prepare for Verbal Ability and Reading Comprehension for the CAT
Sharma and Upadhyay
-PSC for VA for CAT
Nishit Sinha
FOR QUANTITATIVE APTITUDE
-CAT 2018 Data Interpretation & Logical Reasoning
Gautam Puri
-Logical Reasoning and Data Interpretation for the CAT
Nishit K. Sinha
-Data Interpretation & Data Sufficiency
Ananta Ashisha
-How to Prepare for Data Interpretation for CAT
Arun Sharma
HOPE THIS HELPS.

Hey,
The question paper of CAT consists of the following sections:
Verbal ability and reading comprehension, Quantitative ability and Data interpretation & logical reasoning.
For Quantitative ability,you can refer to the following books:
1.How to prepare for Quantitative Aptitude for the CAT by Arun Sharma
2.Quantitative Aptitude for the CAT by
Nishit K. Sinha
3.Quantitative Aptitude Quantum CAT by
Sarvesh K Verma
For logical Reasoning and Data Interpretation:
How to Prepare for Data Interpretation for CAT by Arun Sharma
For Verbal Ability and Reading Comprehension Section:
1.Word Power made easy by
Norman Lewis
2.Mastering the Verbal Ability for CAT by
Ajay Singh

For detailed information follow the link given below:
https://bschool.careers360.com/articles/best-books-for-cat-preparation
Hope this helps.
Good luck.

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