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CAT DILR Syllabus 2025, Weightage, Best Books, Preparation Tips

Last update: Jun 05, 2025

CAT DILR Syllabus 2025: CAT DILR section is the second part of the CAT 2025 exam. It has 20 questions, which need to be solved in 40 minutes. The section is divided into two parts i.e., 10 questions from Data Interpretation and 10 questions from Logical Reasoning. The questions are mostly asked in sets based on charts, graphs, caselets, and puzzles. To do well in this section, candidates must improve their logical thinking and data analysis skills. Many CAT 2025 books by authors like Arun Sharma, RS Agarwal, and Nishit Sinha offer detailed practice material. Regular practice and speed-based solving are key to cracking this section. Continue reading this blog to know more about the CAT DILR syllabus, the best books, and tips to prepare well. 

 

Table of Contents
  1. CAT DILR Syllabus 2025
  2. CAT DILR Syllabus 2025 Topic-Wise Weightage
  3. Best Books for CAT DILR Syllabus 2025
  4. Preparation Tips for CAT DILR Syllabus 2025
  5. Final Thoughts

 

CAT DILR Syllabus 2025

The CAT DILR Syllabus 2025 includes a mix of topics that test data handling and reasoning ability. Data Interpretation includes questions from charts, graphs, and tables. Logical Reasoning includes puzzles, arrangements, and pattern-based questions. The syllabus does not have fixed chapters but questions are asked from commonly tested topics. Here is a list of important topics covered in the CAT DILR syllabus:

Topics

Blood Relations

Family Tree

Clocks and Calendars

Tables

Syllogism

Coding-Decoding

Series

Binary Logic

Statements

Pie Charts

Venn Diagram

Assumptions

Proposition

Seating Arrangement

Data Arrangement

Data Sufficiency

Data Structures

Puzzles

Direction Sense

Sets & Caselets

Bars & Line Graphs

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Check CAT 2025 Syllabus

 

CAT DILR Syllabus 2025 Topic-Wise Weightage

CAT DILR Syllabus 2025 is divided into two sections, namely Data Interpretation (I & II) and Logical Reasoning (I & II). Data Interpretation consists of 8 questions in total and Logical Reasoning carries 12 questions. However, the difficulty level varies for each section. Check out the following table for CAT DILR Syllabus 2025 weightage and difficulty level. 

CAT DILR Syllabus 2025 

Total Questions

Difficulty Level

Data Interpretation I

4

Easy

Data Interpretation II

4

Moderate

Logical Reasoning I

6

Moderate to Difficult 

Logical Reasoning II

6

Easy to Moderate

Total

20

Moderate to Difficult 

 

Best Books for CAT DILR Syllabus 2025

Many books are available in the market for CAT DILR preparation. Choose a book based on your choice, comfort level and understanding. Books by RS Agarwal are good for beginners. Books by Arun Sharma and Nishit Sinha provide in-depth coverage and mock questions. Check out the following table for the best books recommended for CAT DILR Preparation 2025. 

Book Name

Author/USP

A Modern Approach to Logical Reasoning

RS Agarwal (Good for beginners, covers all basic LR topics)

How to Prepare for Logical Reasoning for CAT

Arun Sharma (Detailed explanation, graded exercises)

How to Prepare for Data Interpretation for CAT

Arun Sharma (DI-focused, previous year papers included)

Logical Reasoning and Data Interpretation for CAT

Nishit Sinha (500+ questions, mock tests, useful for other exams too)

Data Interpretation

Nishit Sinha (Good for CAT, GMAT, NMAT, SNAP, and other exams)

CAT Data Interpretation & Logical Reasoning

Gautam Puri  (Advanced-level problems, topic-wise solved questions and mocks)

 

Preparation Tips for CAT DILR Syllabus 2025

The CAT DILR section requires practice and speed. There are no formulas or fixed methods to solve LR questions, so the only way to improve is by solving multiple question types. For DI, candidates need to sharpen their calculation skills. Practice daily from sample papers and previous year CAT Question Papers. Follow the preparation tips given below- 

  • Practice tables, squares, cubes, and percentages: These are essential for solving Data Interpretation questions quickly and accurately.
  • Solve different types of DI sets: Focus on tables, bar graphs, line graphs, pie charts, and mixed chart-based questions.
  • Work on Logical Reasoning topics daily: Practice puzzles, arrangements, blood relations, family trees, coding-decoding, and direction-based questions.
  • Start with basic level questions: Use beginner-friendly books and then gradually move to medium and high-level practice sets.
  • Use a timer while practicing: Try to solve each DILR set within 10-12 minutes to improve time management.
  • Take sectional tests weekly: This helps in building exam temperament and identifying your weak areas.
  • Review your mistakes: After every test, check which type of sets or topics you struggled with and revise them.
  • Practice caselets and paragraph-based questions: These are commonly asked in CAT and test your reading and interpretation skills.
  • Stay consistent: Practice at least 3 to 4 DILR sets daily till the exam to build accuracy and speed.

 

Final Thoughts

The CAT DILR Syllabus 2025 includes a wide range of topics that test candidates’ data handling and logical thinking abilities. The section includes 20 questions in the CAT 2025 Question Paper, equally divided between DI and LR. With regular practice and smart preparation, candidates can easily crack this section. Use the best books by authors like Arun Sharma and RS Agarwal for preparation. Focus on accuracy, speed, and strategy. Keep practicing from mocks, and candidates will see improvement in the performance.

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