CSAT: Comprehension, Reasoning and Numeracy

Data interpretation and sufficiency

School arithmetic and working reading fluency, with rusty Class X mathematics; first focused CSAT preparation. Learners needing basic literacy or foundational numeracy remediation need a separate diagnostic budget.

Includes

• Assigned explanatory sections and selected worked examples
• Available mapped CSAT questions with untimed then timed attempts
• Mistake analysis and one initial recall review

Separate time needed

• Full-length timed papers
• Later spaced revision
• All optional textbook exercises
• Advanced mathematics beyond Class X or competition-specific high-difficulty extensions
• Optional supplementary exam-book exercises beyond available mapped practice

Editorial planning estimate; not learner timing data

• Pie Chart ↗

  Opening movie-preference table and pie chart, then How to Make Them Yourself: totals, proportions, percentages and sector angles; external graphing tool not required

• Line Graphs ↗

  Opening temperature table and graph, When should we use a line graph, and Making Line Graphs: axes, scales and connected time observations

• Table Charts: percentages with different subject totals ↗

  Table Chart 3: table heading with different subject maxima, Question 3 and Question 5 worked calculations; percentage-to-count conversion before aggregation

• NIOS Mathematics, lesson 8: Percentage and Its Applications ↗

  Section 8.4, Examples 8.9–8.10: subtract original/new values, then divide by the original value for percentage change

• Dealing with Questions Using Tables ↗

  Dealing with Questions Using Tables: sales table, commission table and Questions 1–3 explanations; match salesperson before multiplying and aggregating

• Data sufficiency: reasoning and worked race example ↗

  Best practices: do not carry information between statements; sample race question and Assessing statement (1)

• GMAT sample questions and explanations ↗

  Data Insights: Data Sufficiency Questions 1–2 and corresponding Answer Key explanations

• Data sufficiency: reasoning and worked race example ↗

  Sample race question, Assessing statement (2) and the following yes/no insufficiency explanation; embedded case tables may be unavailable

• Problems on Ages: Data Sufficiency 3 ↗

  Directions to Solve and Questions 1–2 with explanations: any two statements determine the result, making the third redundant

• NIOS Mathematics, lesson 24: Data and Their Representations ↗

  Sections 24.3–24.5

• NIOS Mathematics, lesson 25: Measures of Central Tendency ↗

  Sections 25.1–25.3

• Concise CSAT—General Studies Paper II, seventh edition, ISBN 9789355327161 ↗

  Chapter 6: Basic Numeracy and Data Interpretation; charts and data sufficiency practice

  Book required · Supplementary
• Excel in Reasoning, ISBN 9789355329455 ↗

  Chapter 15: Data Interpretation and Data Sufficiency

  Book required · Supplementary