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CAT Data Interpretation & Logical Reasoning Syllabus 2021: Check DILR Exam Pattern, Weighatge of Topics and Preparation Tips

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Shekhar Sumann

Exams Prep Master | Updated On - Nov 24, 2021

CAT Data Interpretation and Logical Reasoning Syllabus includes topics like puzzles on words & letters, seating arrangements, blood relations, etc. However, CAT DILR Syllabus has not been prescribed by the authority so candidates can expect questions based on various topics of DI and LR in the examination.

  • CAT DILR Question Paper will have questions in the form of Sets and solving one set of questions accurately can get you 12-15 marks. Check CAT Exam Pattern 2021
  • The questions from the CAT DIRL syllabus are equally divided among DI & LR i.e. 12 questions each.
  • In CAT LR, questions on blood relation, seating, puzzles will be asked and in DI questions on tables, charts, etc will be asked. The total weightage of CAT Data Interpretation and Logical Reasoning section is 72 marks. The difficulty level of CAT DILR is generally rated Moderate to Difficult by test takers of the previous years. Check CAT DIRL Exam Analysis

Read the article to know more about CAT DILR syllabus, the weightage of important topics, and much more. 

CAT DILR Exam Pattern (Updated)

Section Name Data Interpretation and Logical Reasoning
Allotted Time 40 minutes
Total Number of Questions 24
Number of Data Interpretation Questions 12
Number of Logical Reasoning Questions 12
Total Marks 72
Type of Questions MCQs, Non-MCQs
Marks Awarded for Each Correct Answer + 3
Negative Marks for Each Wrong Answer -1
Difficulty Level of Questions Moderate to Difficult

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CAT DI Syllabus

CAT DILR Syllabus 2021

Candidates can check the sectional syllabus of CAT DILR provided in the tables below: 

CAT Data Interpretation Syllabus

Topic Description
Tables and Charts  Comparison of data for various years and ages
Graph, Bar diagram Data analysis, comparison of various years, groups, and classes
Tables, Pie chart  Decoding and determining the data of missing period, taking clues, and interpreting the missing links
Graphs, Charts Data analysis and finding conclusions, making future projections

CAT LR Syllabus

CAT Logical Reasoning Syllabus

Topic Description
Arrangements/Rankings/Team Formation Seating arrangement, ranks, types of team formation
Quantitative Reasoning/Puzzles Arithmetic, geometrical data, puzzles on words, letters, arrangements, seating
Syllogisms/Logical Deduction Questions based on statements and arguments
Venn Diagrams/Binary Logic  Questions on set theory and network diagrams

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CAT DILR Important Topics

Weightage of Important Topics in DILR

Important Topics Weightage (in percentile)
Tables and Charts 12.5
Graph, Bar diagram 12.5
Tables, Pie chart 12.5
Graphs, Charts 12.5
Arrangements/Rankings/Team Formation 12.5
Quantitative Reasoning/Puzzles 12.5
Syllogisms/Logical Deduction 12.5
Venn Diagrams/Binary Logic 12.5

CAT DILR Study Material

Best Books for CAT DILR Preparation

Books for CAT 2021 preparation are mentioned in the table below: 

CAT DILR Reference Books
Name of Book Publisher/Author Description
How to Prepare for Data Interpretation for CAT Arun Sharma/McGraw Hill This new comprehensive book by Arun Sharma on Data Interpretation is aimed at effectively equipping aspirants to answer all possible types of questions that may be asked on this subject.
How to Prepare for Logical Reasoning for the CAT Arun Sharma/McGraw Hill Designed and written by Arun Sharma, ‘How to Prepare for Logical Reasoning for the CAT’ is a detailed text dedicated exclusively to equipping students to answer all kinds of questions that can be asked in CAT on Logical Reasoning.
Logical Reasoning and Data Interpretation for CAT Nishit K. Sinha/ Pearson Education This book has fundamental and advanced topics of DILR along with examples for a better explanation. The levels of preparation in this book are - foundation, moderate, and advance.
Read More Best Books for CAT
CAT DILR Preparation

Preparation Tips from CAT Toppers

Rahul Manglik (100% in CAT 2019)

  • He highly recommends that students practice a lot of questions from all the topics because they bear the same weightage.
  • He says that students must analyze their performance on mock tests so that they can identify their weak areas and improve them.

Lakshya Kumar (99% in CAT 2019)

  • He says that you must allot a specific time duration for every question. He allotted 8 minutes to puzzle questions irrespective of whether or not he got stuck while solving them.
  • He suggests that students should spend some time at the beginning of the test to categorize the questions to be easy, moderate, or difficult.
  • He recommends analyses of mock tests to enhance practice in the CAT DILR section.

Read More Toppers Preparation Tips:


CAT DILR Analysis

Difficulty Level of CAT DILR Question Paper

Candidates can check CAT DILR Paper Analysis of the previous year to get an idea about the difficulty level of VARC question papers. 

  • Total questions from DILR: 24
  • Difficulty: Easy
  • Good Attempt: 19-20 questions

Slot 1 DILR Analysis

Set Topic Description of Set Number of Questions Question Type Difficulty Level
1 Data Interpretation 6 students appearing for an exam in 5 subjects 6 4 MCQs & 2 TITA Medium
2 Logical Reasoning 4 companies competing for contracts 6 6 MCQs Difficult
3 Data Interpretation 1,000 patients getting treated with 4 different drugs 4 4 TITA Easy to medium
4 Data Interpretation 10 musicians 4 4 MCQs Medium to difficult
5 Logical Reasoning Payment to taxi drivers 4 4 MCQs Medium to difficult

Slot 2 DILR Analysis

Set Topic Description of Set Number of Questions Difficulty Level Question Type
1 Data Interpretation Elections 6 Medium 4 MCQ & 2 TITA
2 Logical Reasoning Set on the scheduling of seminars 6 Difficult 6 MCQ
3 Data Interpretation Apparel and home decor of 4 cities over two years 4 Medium 4 MCQ
4 Logical Reasoning Parking lot 4 Easy to Medium 4 MCQ
5 Logical Reasoning Matrix arrangement set on beads of different colours - - -

Download CAT DILR Question Papers

Slot Number CAT Question Paper CAT Answer Key
CAT Official Question Paper & Answer Keys of 2020
CAT DILR Slot 1 Download  Download 
CAT DILR Slot 2 Download  Download 
CAT DILR Slot 3 Download  Download 
CAT Official Question Paper & Answer Keys of 2019
CAT DILR Slot 1 Download  Download 
CAT DILR Slot 2 Download  Download 
CAT Official Question Paper & Answer Keys of 2018
CAT DILR Slot 1 Download  Download 
CAT DILR Slot 2 Download  Download 

CAT DILR Preparation Tips

CAT Data Interpretation Preparation Tips

  • Work to improve your ability to comprehend voluminous data.
  • Familiarize yourself with different forms of charts.
  • Improve your skills in analytical maths.
  • Practice increasing your pace while solving problems.
  • Learn to calculate the percentage increase or decrease or the comparison ratio. This will be an effective time-saving skill.
  • Regularly solve DI sets that require reasoning skills and grow your knowledge of these sets.
  • Have a good understanding of the DI sets by answering as many questions as possible well in advance.
  • Do not leave out DI sets that seem big on data volume. More data does not automatically mean a difficult set.
  • Do not try to solve all the problems at once. Try to answer a bulk of easy questions and a few difficult ones at a time.
  • Attempt questions that you can answer confidently in 2 to 2.5 minutes. This would help you score better.
  • Most importantly, practice as many DI problems as you can.

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CAT Logical Reasoning Preparation Tips

  • Invest a few seconds and carefully study the question. A quick clarification of why any option is right or wrong would go through your mind. If you are willing to practice this tip in sample questions of logical reasoning, you can do well in the actual examination.
  • Do not presume or use any information which is not provided to you by the question. This is not an assessment of how much you generally know about a topic. Consider only the information given when choosing among the alternative answers to each reading passage.
  • Carefully read the factual passage and the instruction for sentence completion. Both have to be taken into account when making your choice.
  • Be sure to carefully read all answer options before eliminating or choosing one of them.
  • In questions that ask you to choose a valid conclusion, always choose the one conclusion that certainly follows from the information given to you. In questions that ask you to find the incorrect alternative, select the one conclusion that definitely does not fit the Information given to you.
  • Once you read the factual details each question gives, pay particular attention to words like "all", "none", and "some". Other terms like "other than," "only" or "unless" are also relevant. These terms will play a critical role in deciding exactly the facts to be used in your reasoning.
  • Please pay attention to negative prefixes like non—, un-, or dis-. These may be critical in defining the basic facts of the paragraph.
  • You should also be very cautious of any answer choices containing the "all" or "zero" quantifiers. In general, these terms are not indicators of incorrect answer choices in the sample practice questions and the real CAT evaluation. They will appear in choices for both correct and incorrect answers.
  • Be vigilant about the word "only" and the expression "if and only if".

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Mistakes to Avoid while attempting CAT DILR Section

  1. Not formulating a proper study strategy

Students often tend to jump into the preparation of random topics without establishing a proper study plan. It is important to go through the syllabus and understand the weightage of the most important topics. In the CAT DILR section, all topics have an equal weightage. Therefore, plan to study your strong areas before moving on to the weak areas. This will give a confident start in preparation.

  1. Not attempting a sufficient number of practice questions

Students usually solve one mock test in one month. However, to prepare intensely and score well in the CAT DILR section, you have to attempt at least one mock test every week. Continuously solve problems relating to CAT DILR. This will give you the practice to increase the speed and accuracy required for solving questions from this section.

  1. Not analyzing the results of practice questions

While attempting practice questions for CAT DILR, make sure that you analyze your performance. This will help you identify your weak areas so that you can work on them.


Sample Questions of CAT DILR

Direction for questions 1 – 4: Read the information given below and solve the questions based on it.

The following table gives the result of the due north soccer competition. Matches were played round-robin (each team playing against another once) and the teams that participated were Bihar, Punjab, and Haryana. The table has some data missing

- Match played Won Drawn Lost Goals for Goals against
Bihar 2 - 1 - 2 4
Punjab 2 - - - 3 7
Haryana - - - - - 1

Q1. What is the total number of matches played in the competition?

  1. 3
  2. 6
  3. 9
  4. None of these

Q2. What did the scorecard read in favor of Punjab in the Punjab-Haryana match?

  1. 1. 2-5
  2. 1-5
  3. 1-4
  4. 1-6

Q3. How many matches did Punjab lose?

  1. 0
  2. 1
  3. 2
  4. 0 or 1

Q4. How many goals did Haryana score? 

  1. 5
  2. 1
  3. 3
  4. 7

Download CAT Question Papers


CAT DILR FAQs

CAT DILR FAQs

Ques: What is data interpretation and logical reasoning?

Ans. Data interpretation and logical reasoning is a section in CAT that tests the decision-making ability and speed of students using limited information. Data interpretation involves analyzing given data while logical reasoning involves the use of logic to arrive at a conclusion.

Ques: How do you score a 99 percentile in DILR?

Ans. To score a 99 percentile in DILR, students must prepare an effective study strategy, practice as many problems as they can, and solve mock tests regularly.

Ques: What is the most important topic in DILR?

Ans. All the topics in DILR are equally important because they carry equal weightage. The topics are - Tables and Charts, Graph, Bar diagram, Pie chart, Arrangements/Rankings/Team Formation, Quantitative Reasoning/Puzzles, Syllogisms/Logical Deduction, and Venn Diagrams/Binary Logic.

Ques: What are the best books to prepare for CAT DILR?

Ans. The best books to prepare for CAT DILR are -

  • ‘How to Prepare for Data Interpretation for CAT’ by Arun Sharma
  • ‘How to Prepare for Logical Reasoning for the CAT’ by Arun Sharma
  • ‘Logical Reasoning and Data Interpretation for CAT’ by Nishit K. Sinha

Ques: Is ‘How to Prepare for Data Interpretation for CAT’ good for DILR?

Ans. Yes, ‘How to Prepare for Data Interpretation for CAT’ by Arun Sharma is good for DILR. It explains Data Interpretation tricks and concepts adequately along with offering practice questions for students.

Ques: What are the expected topics for Logical Reasoning?

Ans. The expected topics for Logical Reasoning are - Arrangements/Rankings/Team Formation, Quantitative Reasoning/Puzzles, Syllogisms/Logical Deduction, and Venn Diagrams/Binary Logic.

Ques: How many questions should I attempt to get a 95+ percentile in DILR?

Ans. To get 95+ percentile in DILR, you must attempt 20 - 22 questions with 90% accuracy.

Ques: Where can I find the best DILR preparation resources online?

Ans. The best online resources for DILR preparation can be found from the websites of newspapers like The Economic Times and magazines like Business Today.

*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College.

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