The Common Admission Test (CAT) is a make-or-break national-level exam for prospective MBA students in India, and the Data Interpretation & Logical Reasoning (DILR) section is an important constituent. Being one of the toughest sections because of its need for excellent problem-solving and analytical abilities, acing DILR can greatly improve your CAT performance as a whole. This handbook covers the core DILR subjects, weightage of the previous year, strategies for preparation, and suggested study material to assist you in cracking the CAT 2025.
What is DILR in the CAT Exam?
The DILR section tests a candidate’s capacity to reason and analyze data to find patterns and solve difficult problems through the application of logic and reasoning. It is one of the three CAT exam sections, along with Verbal Ability and Reading Comprehension (VARC) and Quantitative Ability (QA).
| Aspect | Details |
|---|---|
| Total Questions | 20–22 (CAT 2024 had 22, CAT 2023 had 20) |
| Time Limit | 40 minutes |
| Type of Questions | MCQs + TITA |
| Level of Difficulty | Moderate to High |
| Subsections | Data Interpretation (DI): Tables, graphs, charts, datasets. Logical Reasoning (LR): Puzzles, arrangements, games, networks. |
Key DILR Topics for CAT 2025
Data Interpretation Topics
- Tables
- Bar Graph
- Pie Chart
- Line Graph
- Venn Diagram
- Radar Chart
- Histograph
- Caselets
- Networks and Diagrams
- Reasoning-based DI
- Data Arrangement
- Mathematical Puzzles
- Bubble Charts
- Column Graphs
- Scatter Plot
Logical Reasoning Topics
- Linear Arrangement
- Circular Arrangement
- Selection
- Sequencing
- Binary Logic
- Cubes
- Routes
- Games & Tournaments
- 2D/3D Space LRs
- Coin Picking
- Conditional LRs
- Case-based LRs
- Order & Rankings
- Team Formations
CAT DILR Topic-Wise Weightage (Past Year Trends)
CAT 2024
| Slot | Topics Covered |
|---|---|
| Slot 1 | DI – Candle Stick (4), DI – Bar Graph (4), Arrangement (4), Games & Tournament (5), Long DI Set (5) |
| Slot 2 | DI (Rating) (4), Schematic Diagram (4), DI (2 Graphs) (4), Puzzle (Rating) (5), Arrangements (5) |
| Slot 3 | Bar Graph (4), DI (GDP of Countries) (4), Table with Missing Values (4), Line Graph (5), Network of Roads (5) |
CAT 2023
| Slot | Topics Covered |
|---|---|
| Slot 1 | Puzzle (10), Arrangement (5), Mathematical Reasoning (5) |
| Slot 2 | Coin-based Puzzle (5), Mathematical Reasoning (10), Puzzle (Entertainment Park) (5) |
| Slot 3 | Selection & Distribution (5), Routes & Networks (5), Mathematical Reasoning (10) |
CAT 2022
| Slot | Topics Covered |
|---|---|
| Slot 1 | Games & Tournaments (5), Venn Diagram (5), Mathematical Reasoning (5), Metro Lines (5) |
| Slot 2 | Selection & Distribution (5), Routes & Networks (5), Tables & Graphs (5), Venn Diagram (5) |
| Slot 3 | Tables & Graphs (10), Arrangement (5), Ranking & Ordering (5) |
CAT 2021
| Slot | Topics Covered |
|---|---|
| Slot 1 | Selection & Distribution (10), Puzzle (6), Graph (4) |
| Slot 2 | Graph (4), Puzzles (6), Games & Tournaments (4), Selection & Distribution (6) |
| Slot 3 | Caselet (Mixture) (4), Tables & Graph (4), Games & Tournaments (6), Selection & Distribution (6) |
Tips to Improve the CAT DILR Section
- Create a Personalized Strategy: Identify strengths & weaknesses and plan your attempt order.
- Acquaint yourself with Various Question Forms: Practice diverse sets beyond standard patterns.
- Practice Time Management: Focus on speed + accuracy together.
- Take Mock Tests: Simulate exam conditions, analyze errors, and adapt strategies.
- Analyze Previous Years’ Papers: Spot trends and tricky topics for better prep.
Best Books for DILR for CAT 2025
- How to Prepare for Data Interpretation for CAT by Arun Sharma
- Logical Reasoning and Data Interpretation for the CAT by Nishit Sinha
- A Modern Approach to Logical Reasoning by R.S. Aggarwal
Conclusion
The DILR section of the CAT exam is a crucial component. Effective time management, consistent practice, and a well-prepared personal strategy are essential to success. By solving questions consistently, attempting mocks, and practicing previous years’ papers, you can master DILR and secure a high percentile.
For additional reading, visit the official CAT exam site and explore our comprehensive CAT DILR study guide.
Frequently Asked Questions (FAQs)
Q: How many questions are there in the DILR section of the CAT exam?
A: 20–22 questions. CAT 2024 had 22 questions.
Q: How much time is given for the DILR section?
A: 40 minutes.
Q: What are the most important topics for Data Interpretation in CAT?
A: Tables, Bar Graphs, Pie Charts, Line Graphs, Venn Diagrams, Radar Charts, Caselets, Networks, Mathematical Puzzles.
Q: What are the major Logical Reasoning topics for CAT?
A: Linear & Circular Arrangements, Selection, Sequencing, Binary Logic, Games & Tournaments, Conditional LRs, Team Formations.
Q: What books should be used to prepare for DILR in CAT 2025?
A: Arun Sharma, Nishit Sinha, R.S. Aggarwal.
Q: Is the CAT DILR section difficult?
A: Yes, it is moderate to high difficulty, requiring consistent practice.
Q: How significant is the DILR section of the CAT exam?
A: It carries one-third of the marks and tests inference & logical skills.