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How to prepare LR/DI for CAT?

CAT score is of great importance to MBA aspirants in order to pursue their dream of acquiring an MBA degree from a top notch management college. IIMs and other premier b-schools shortlist candidates for selection procedure based on both the overall and sectional percentile.

May 09: CAT 2018 Official Date released, exam to be held on November 25. Click Here

CAT question paper consists of the Data Interpretation (DI) and Logical Reasoning (LR) section which would test your decision-making ability and speed using limited input. In this article you will understand the CAT LR/DI preparation tips which helps to get a good score in both sections.


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Candidates will have a time limit of 60 minutes to answer 32 questions from DI and LR section of CAT Exam. It needs a lot of practice and hard work to crack these sections. As there is a time limit to each section, not focusing on the time granted may hamper the preparations. Good scores in Data Interpretation (DI) and Logical Reasoning (LR) will impact on candidate’s overall percentile.

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CAT LR/DI preparation Tips

There are few major key pointers that might help candidates to gain expertise in the preparation for DI & LR section of CAT Exam 2018:

Read Business Newspaper and Magazines

According to various educational sources business newspapers, as well as magazines, can play a major role in preparing candidates for DI and LR section as it deals with business aptitude and interpreting data. So, it will help them to learn how the analysis of charts and bar graphs are carried out. Moreover, newspapers and magazines also sharpen one’s ability of thinking and reasoning through different case studies and analysis in the form of pictorial and graphical representations.

Be familiar with Case lets

Candidates must practice the content of the syllabus as much as they can. They should be familiar with the topics, sub-topics, and types of questions to expect in CAT 2018 . The questions shall be prompted in the form of case lets basis which few questions will be asked.For DI, candidates can expect questions in the form of line, bar graphs, pie charts and suchlike. The LR questions will be mainly related to arrangements, blood relations, family tree and Venn diagrams. Initially, in order to get familiar with the case lets, candidates are recommended to start with sectional CAT mock test. Their focus must be directed towards being familiar with all the types of case lets.


Mock Test

CAT mock test is a practice test that can help students with their revision for CAT 2018 examination. Starting with small and easy questions, forging ahead towards bit difficult logical based case-lets, candidates must always analyze their performance after attempting every mock test. An important thing candidates should do is utilize mock test papers effectively for their preparation.
CAT LR/DI Preparation

Utilize Calculator

Students are required to access an on-screen calculator to be able to carry out their basic computations. Candidates must practice the on-screen calculator beforehand so that the examination runs smooth. The questions from Data Interpretation head for CAT 2018 are known for being calculation intensive. If candidates know the calculation tricks, they can use it as another strategy for solving the questions with more accuracy without consuming much time.

Brainstorming activities

Solving logical reasoning questions is all about understanding the unseen tricks in the question.

Along with the regular preparations, candidates must take out some time for brainstorming sessions such as solving crossword puzzles, Sudoku, riddles on blood relations, family tree etc. If a candidate is involved in any such stated activities, they are, in a way, preparing for the LR section of CAT 2018.


As they say “Practice makes a man perfect.” The more candidates’ practice DI and LR questions, better is the probability for them to perform. Since there is no theoretical side to this section, they must only practice excelling the sections.


Recommended Books for CAT 2018

The books recommended for LR and DI section for CAT 2018 are tabulated below:

Books Author/ Publication
How to Prepare for Data Interpretation for the CAT Arun Sharma (Tata McGraw-Hill)
How to prepare for Data Interpretation & Logical Reasoning for CAT Arun Sharma
The Pearson Guide to Logical Reasoning and Data Interpretation (Pearson) Nishit Sinha
The Great Book of Puzzles & Teasers George J Summers

CAT 2018 Exam Pattern

Candidates must have an understanding of exam pattern for CAT 2018 to excel in test. CAT’s structure and paper pattern have not undergone any major changes as compared to the previous years’ question paper. CAT 2018 will be an online test, that is, computer-based, consisting of three sections, Verbal and Reading Comprehension (VRC), Data Interpretation (DI) and Logical Reasoning (LR) and Quantitative Ability (QA). The total number of questions would be 100 wherein the distribution is expected to be QA and VRC sections carry 34 questions each and the DI & LR section carries 32 questions.

CAT 2018 will be conducted in a single day window in forenoon and afternoon slots tentatively on November 25, 2018. CAT 2018 Result will be tentatively announced by Indian Institute of Management on or after January 15, 2019. The admit card is expected to be issued by October 25, 2018, which carries student’s information such as the schedule of the test, venue and the test day instructions along with their few personal details.

However, the final dates are expected to be announced along with the official notification for CAT 2018. Candidates are recommended to check on IIM’s official website or this space to keep themselves updated with the latest whereabouts.

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