Skip to main content
Super TutorResources
Chapter 16 of 16
SyllabusNotesTopicsQuestionsPlanFormulas
Revision Notes

Data Sufficiency — Revision Notes

CAT · Data Interpretation & Logical Reasoning

Free Data Sufficiency revision notes for CAT Data Interpretation & Logical Reasoning 2026 — key concepts, formulas, and definitions for quick revision.

Interactive on Super Tutor

Studying Data Sufficiency? Get the full chapter — free.

Practice questions, revision notes, formula sheet and AI doubt-solver — built for CAT Data Interpretation & Logical Reasoning.

Try Super Tutor — Free
A diagram illustrating the typical structure of a Data Sufficiency question, showing the main question, Statement 1, Statement 2, and the options.
Super Tutor

This is just one of 6+ visuals inside Super Tutor's Data Sufficiency chapter

Explore the full set

Revision Notes — Data Sufficiency

Key concepts, formulas, and definitions from Data Sufficiency for CAT Data Interpretation & Logical Reasoning preparation.

Key Topics to Revise

1

Understanding Data Sufficiency Questions

  • Data Sufficiency questions have a unique structure: Question + Statement 1 + Statement 2 + Options
  • The goal is to determine if the given statements provide sufficient information to answer the question
  • You need to predict whether you CAN find the answer, not actually find it
2

Types of Answer Options

  • Only one statement alone is sufficient (but not the other)
  • Either statement alone is sufficient
  • Both statements together are needed
3

Key Rules and Restrictions

  • No general knowledge assumptions allowed (except universal mathematical facts)
  • Answers must be unique - multiple possible values mean insufficient data
  • Cannot assume unstated conditions or relationships
4

Solving Strategy and Process

  • Step 1: Read and understand the question clearly
  • Step 2: Analyze Statement 1 alone for sufficiency
  • Step 3: Analyze Statement 2 alone for sufficiency

Get complete revision notes with diagrams and examples — continue in Super Tutor

Key Concepts

Data Sufficiency questions follow a standardQuestions typically offer options likeYou cannot use general knowledgeFor a statement to be sufficientThe goal is to determine whether

Frequently Asked Questions

What topics are covered in Data Sufficiency for CAT?
Data Sufficiency is an important chapter in CAT Data Interpretation & Logical Reasoning. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Understanding Data Sufficiency Questions, Types of Answer Options, Key Rules and Restrictions, Solving Strategy and Process.
How important is Data Sufficiency for CAT?
Data Sufficiency is a frequently tested chapter in CAT Data Interpretation & Logical Reasoning. Questions from this chapter appear regularly in previous year papers. There are 44 practice questions available for this chapter.
How to prepare Data Sufficiency for CAT?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.

More resources for Data Sufficiency

All 16 chapters — CAT Data Interpretation & Logical Reasoning Revision Notes

For CAT aspirants

Get the full Data Sufficiency chapter — for free.

Practice questions, revision notes, formula sheet and AI doubt-solver for CAT Data Interpretation & Logical Reasoning.

Try Super Tutor Free
Try the full chapter — Free