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CAT Logical Reasoning and Data Interpretation are the two sub-sections within the DILR section of CAT. Data Interpretation tests the ability to read, calculate, and draw conclusions from numerical data presented in tables, graphs, charts, and caselets. Logical Reasoning tests the ability to manage constraints, identify patterns, and deduce conclusions from structured scenarios such as seating arrangements, puzzles, and sequencing sets. LR requires no mathematics but demands systematic, step-by-step thinking. The key strategic difference between DI and LR sections is that in DI, a partially solved set can still yield correct answers through approximation; in LR, one misread constraint typically invalidates the entire solution.

CAT 2025 DI sets included performance ratings, import-export data tables, pollution index weighted averages, bar graphs on authors and books, scatter plots, currency exchange tables, trade balance data, and puzzle-based charts. The variety confirms that CAT DI increasingly tests data reasoning across novel formats — not just standard tables and pie charts — making exposure to diverse set types essential in preparation.

The best study materials for CAT 2026 cover all three sections VARC, DILR, and QA. For books, Arun Sharma's series (13th Edition, McGraw Hill) and Nishit K. Sinha's titles (Pearson) are the most recommended by CAT toppers. For fundamentals, use NCERT Mathematics (Class 6–10) for QA and Word Power Made Easy by Norman Lewis for vocabulary. For mock tests, IMS SimCATs, TIME AIMCATs, and Cracku mocks are top-rated paid options; free mock tests and previous year CAT papers are available on MBAUniverse.com. Supplement with free YouTube content — Rodha for QA, Gejo Srinivasan (VARC1000) for RC, and 2IIM for DILR.

The price of Arun Sharma's CAT books in 2026 varies by title. The Quantitative Aptitude book (13th Edition) is priced at Rs. 795 after a 34% discount on MRP of Rs. 1,050. The VARC book (13th Edition) is available at Rs. 677 after a 36% discount on MRP of Rs. 1,050. The Data Interpretation and Logical Reasoning books are priced at Rs. 649 and Rs. 615 respectively. All prices include GST and are available on Amazon.

The latest editions of Arun Sharma's CAT books are the 13th Edition for both Quantitative Aptitude and Verbal Ability & Reading Comprehension, published in February 2026 by McGraw Hill. The Data Interpretation book is in its 10th Edition and the Logical Reasoning book is in its 9th Edition, both also published in February 2026. These editions include digital courseware with videos and practice questions.

Yes, Arun Sharma's books are sufficient for CAT 2026 preparation across QA, VARC, and DILR sections. Multiple CAT toppers with 99+ percentile — including students at IIM Kozhikode, SPJIMR Mumbai, and XLRI Jamshedpur — have credited Arun Sharma's books as their primary preparation resource. Supplementing with mock test series from IMS, TIME, or Cracku further strengthens exam readiness.

The best books for CAT preparation 2026 are by Arun Sharma (McGraw Hill) and Nishit K. Sinha (Pearson). For QA, Arun Sharma's 'How to Prepare for Quantitative Aptitude' (13th Edition) and Nishit K. Sinha's 'Quantitative Aptitude for CAT' (6th Edition) are top choices. For VARC, Arun Sharma and Meenakshi Upadhyay's VARC book (13th Edition) is widely recommended by CAT toppers.