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🧩 DILR — Data Interpretation & Logical ReasoningThe Indian Institutes of Management

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8 chapters in syllabus order, in English and Hindi.

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  • 8chapters
  • 67quiz questions
  • EN + हिंevery chapter in both

Syllabus

CAT DILR — Data Interpretation & Logical Reasoning chapters

In the order you should study them.

🧩 8 chapters, in order8 chapters
  1. Reading a DILR Set — Triage, Tables and Charts
  2. Arrangements, Distributions, Games and Tournaments
  3. Data Interpretation: Charts, Growth Rates & Percentage Points
  4. Practice Set — Tables and Shares
  5. Venn Diagrams, Distributions, Routes & Scheduling
  6. Practice Set — Arrangements and a Points Table
  7. Practice Set — A Caselet and Data Sufficiency
  8. Blood Relations, Directions and Coding — the Sets Worth Taking First

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Try a real DILR — Data Interpretation & Logical Reasoning question

A real question from the course. No sign-up needed.

From the chapter: Reading a DILR Set — Triage, Tables and Charts

A quantity rises from 40 to 50 in one year and falls back to 40 the next. The two percentage changes are:

Show the answer and why

Answer: B.

A change is always divided by the earlier value. Up: 10/40 = +25%. Down: 10/50 = −20%. The asymmetry is the point — a rise and the fall that undoes it are never the same percentage, and a paper that offers "+25% and −25%" is testing exactly that.

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