DILR Preparation Tips for MBA Exams: Check Syllabus, Best Books, Weightage, Practice Questions

DILR Prep Tips for MBA 2025

Vipra Shrivastava
Updated on Sep 2, 2025 17:47 IST

By Vipra Shrivastava, Senior Manager - Content

Data Interpretation & Logical Reasoning or DILR is one of the mandatory sections of CAT. In other MBA entrance exams too, a good number of questions are asked from both DI and LR. The section consists of an array of questions on multiple topics such as graphs, tables, charts, diagrams, caselets, clocks & calendars, arrangements, visual reasoning, etc. Weightage and difficulty level of DILR varies for each exam, but one thing that is common is preparation strategy. DILR is essentially a test of analytical reasoning and critical thinking abilities of an MBA aspirant. To master this section, one needs to have eye for detail and must know basic mathematical calculations.

The difficulty level of DILR questions in CAT, XAT, CMAT and most of the MBA entrance exams is moderate to tough. Not only are the questions difficult but are also often tricky and time-consuming. While, Data Interpretation requires multiple levels of calculations, Logical Reasoning section requires a lot of practice as it is all about unravelling the pattern. Performance in DILR can make or break the chances of cracking the MBA entrance test.

Q:   What does Data Interpretation and Logical Reasoning (DILR) mean?
Q:   What are the best ways to prepare for the DILR section?
Q:   Is DILR section part of all MBA entrance exams?
Table of content
  • What is Data Interpretation & Logical Reasoning?
  • DILR Syllabus for MBA Entrance Exams
  • How to Prepare for DILR Topics?
  • Best Books for DILR Preparation
  • Weightage of DI and LR in Top MBA Entrance Exams
  • DILR Practice Questions-Free PDFs
  • FAQs Regarding DILR Preparation
View More
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What is Data Interpretation & Logical Reasoning?

Data Interpretation and Logical Reasoning are separate areas, but clubbed together in CAT. Earlier, in CAT Data Interpretation was combined with Quantitative Ability whereas Logical Reasoning was combined with the Verbal Ability section. However, for over a decade now, CAT question paper has Data Interpretation and Logical Reasoning as a single section having 10-11 questions each. 

DILR questions are mostly caselet based, wherein a particular case carries multiple questions that might involve multiple topics or multiple approaches to be taken to solve the questions and choose the correct option. Preparing for DILR section of CAT and other exams can be tricky owing to the fact that there they are diverse in nature. Let us see what are the different facets of DILR and how to prepare to ace the section.

What are the Skills Required to Crack DILR?

DILR as the name suggests is all about interpretation and logical deduction from the given data. The following skills are necessary to crack the DILR questions of any competitive exam:

  • Analytical reasoning

  • Critical thinking ability

  • Data computation

  • Quick calculation ability

  • Eye for detail
  • Keep observation
  • Logical deduction

Also Read:

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Commonly asked questions
Q:   What are the best ways to prepare for the DILR section?
Q:   How can I prepare for CAT DILR?
Q:   Is it necessary to have Maths background to perform well in DILR?
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DILR Syllabus for MBA Entrance Exams

Although there is no specific DILR syllabus for the CAT or other MBA entrance exams, we have listed below the common topics or subjects of the DILR section that appear in CAT, MAT, XAT, CMAT, NMAT, SNAP, etc. based on the previous years’ analysis.

Data Interpretation Topics

Logical Reasoning Topics

Tables

Venn Diagram

Graphs (Line and Bar)

Blood Relations

Charts (Pie, Area, Line)

Arrangement (Seating, Linear and Matrix)

Data Analytic Caselets

Coding-Decoding

Data Structure

Logical Sequence

Data Sufficiency

Statement and Assumption

 

Clocks and Calendars

 

Binary Logic

 

Critical Reasoning

Download: DILR practice questions with answers PDFs

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Commonly asked questions
Q:   What is the SNAP syllabus for Analytical and Logical Reasoning?
Q:   What is the MAT syllabus for Intelligence and Critical Reasoning?
Q:   What is the syllabus of MAH MBA CET Logical Reasoning and Abstract Reasoning?
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How to Prepare for DILR Topics?

DILR preparation requires a systematic approach like other sections of MBA entrance exams. The key areas of the DILR section have been mentioned in the table above. Since the questions that are asked in the DILR section can be classified as a calculation based, counting based, logic-based and structure-based, you must divide your preparation plan into DI and LR. This is because, even though these sections are clubbed together in CAT, the nature of questions and topics are very different. So, you will need to prepare for both separately. Here are some key tips and strategies to prepare for DILR.

Know the Questions: Before starting extensive preparation, aspirants are advised to get well versed with the types of questions asked to get a thorough idea on the topics to study in DILR. For this, they can refer to the previous years’ question papers of CAT, XAT, CMAT, MAT, etc.

Get the Right Books: Although the DILR questions do not involve any theory, concepts or formulae one needs to understand the types of charts, tables and patterns. There are several DILR books and study material by MBA experts which give a detailed and descriptive idea about the topics, strategy to solve the questions, and practice materials. Having the right DILR books will make the task of the students a lot easier.

Practice Sessions: The best way to prepare for DILR section of CAT or any entrance exam is by practising. According to experts, test takers should practice DILR questions for at least five hours per week, one hour for each session. Candidates can take sectional mock tests prior to taking full-length mock tests to gauge their preparation level as well as to gain expertise over the area.

Improving Speed: The DILR section is considered to be calculation intensive by the experts. Hence, the speed or pace of solving a question plays an important role. With regular practice and application of smart tricks and tips will enable the students to improve the speed of solving questions.

Watch video for CAT DILR preparation tips

Also Read:

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Commonly asked questions
Q:   What makes CAT tougher than other MBA entrance exams?
Q:   How can I prepare for XAT by self study?
Q:   How should I prepare for Data Analysis and Sufficiency section of MAT?
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Best Books for DILR Preparation

Even though DILR is a practice based subject, one needs to refer to key books and study material to understand the concepts, patterns and process of solving questions. Those DILR books and study material are the best, which not only provide conceptual or theoretical clarity to MBA aspirants but also provide the perfect strategy for acing the section, along with practice questions of various difficulty levels. Some of the most preferred books for DILR preparation are:

  • How to Prepare for Data Interpretation and Logical Reasoning for CAT by Arun Sharma

  • Logical Reasoning and Data Interpretation for the CAT by Nishit Sinha

  • CAT Data Interpretation & Logical Reasoning by Gautam Puri

  • Data Interpretation and Data Sufficiency Competition Exam by Arihant Experts

  • Data Interpretation & Data Sufficiency for CAT & Other MBA Exams by Gajendra Kumar and Abhishek Banerjee

  • Data Interpretation and Logical Reasoning for CAT by Pearson

Read More: Best Books for CAT Preparation Recommended by MBA Experts

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Commonly asked questions
Q:   Which are the MBA CET preparation books for Logical Reasoning?
Q:   Which are the best books for CMAT Logical Reasoning preparation?
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Weightage of DI and LR in Top MBA Entrance Exams

Listed below are some of the top MBA entrance exams and weightage of their Data Interpretation and Logical Reasoning section. These are the weightage of latest exam session. Attempting all the questions is not mandatory in MBA exams, but candidates should aim to attempt 2/3rd of the total questions for a good score. 

MBA Exam

Number of Questions

Total Marks

CAT

22

66

XAT

27

27

CMAT

25

100

MAT

30

30

SNAP

20

20

ATMA

60

60

MAH-CET

25

25

Listed below are some Data Interpretation preparation articles you may want to read:

Download Free DILR Question Bank for Practice

Click to Download

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Commonly asked questions
Q:   Is the syllabus of MAT IBT, PBT and CBT mode exams common?
Q:   What are the topics from which Logical Reasoning questions are asked in MAH CET?
Q:   Is DILR a theory-based section or practice-based?
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DILR Practice Questions-Free PDFs

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Commonly asked questions
Q:   Which section of MAT exam has maximum weightage?
Q:   Where can I find study material for Decision Making syllabus for XAT?
Q:   What is the difficulty level of SNAP question paper?
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FAQs Regarding DILR Preparation

Check here Frequently Asked Questions Related to Data Interpretation and Logical Reasoning:

Q&A Icon
Commonly asked questions
Q:   How many questions should I solve to get a good score in CMAT?
Q:   What are the important topics of MAT exam?
Q:   What is the weightage of the DILR section in CAT?
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DILR Prep Tips for MBA Exam

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