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RRB NTPC Caselets (paragraph DI)

Study Material — 31 PYQs (2018–2022) · Concept Notes · Shortcuts

RRB NTPC Caselets (paragraph DI) is a frequently tested subtopic — 31 previous year questions from 2018–2022 papers are included below with concept notes, key rules and shortcut tricks.

31 PYQs
2018–2022
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Previous Year Questions

RRB NTPC Caselets (paragraph DI) — Past Exam Questions

31 questions from actual RRB NTPC papers · all shown free · click option to reveal solution

Exam Q 12022Previous Year Pattern

In which quarter was the profit (Revenue - Expenses) the highest?

Exam Q 22022Previous Year Pattern

What is the total sales of Smartphones across all four quarters?

Exam Q 32022Previous Year Pattern

What is the average quarterly sales of Tablets?

Exam Q 42022Previous Year Pattern

Which product category had the highest total sales across all four quarters?

Exam Q 52022Previous Year Pattern

By what percentage did Laptops sales increase from Q1 to Q4?

Exam Q 62022Previous Year Pattern

What is the total production across all five quarters?

Exam Q 72022Previous Year Pattern

What is the ratio of total expenses in Q1 and Q2 combined to total expenses in Q4 and Q5 combined?

Exam Q 82022Previous Year Pattern

What is the ratio of Q4 sales of Accessories to Q4 sales of Software?

Exam Q 92018Previous Year Pattern

What is the percentage increase in production of Product D from Q1 to Q4?

Exam Q 102022Previous Year Pattern

Which unit has the highest total sales across all four quarters?

Exam Q 112022Previous Year Pattern

What is the average production across all units in Q2?

Exam Q 122018Previous Year Pattern

In Q3, what is the ratio of Textiles sales to Ceramics sales?

Exam Q 132018Previous Year Pattern

What is the percentage increase in Electronics sales from Q1 to Q4?

Exam Q 142018Previous Year Pattern

What is the average quarterly sales for Furniture across all four quarters?

Exam Q 152018Previous Year Pattern

What is the total profit earned from Product A if profit per unit is ₹500 for Q1-Q2 and ₹600 for Q3-Q4?

Exam Q 162018Previous Year Pattern

How many units of Product C were defect-free in Q3 and Q4 combined (considering a 5% defect rate)?

Exam Q 172018Previous Year Pattern

What is the average quarterly production of Product B across all four quarters?

Exam Q 182018Previous Year Pattern

By what percentage did Accessories sales increase from Q2 to Q4?

Exam Q 192018Previous Year Pattern

What is the total sales of all product categories in Q2?

Exam Q 202022Previous Year Pattern

What is the percentage increase in production of Unit D from Q1 to Q4?

Exam Q 212022Previous Year Pattern

In Q3, what is the ratio of total production to total sales across all units?

Exam Q 222022Previous Year Pattern

What is the percentage increase in Smartphone sales from Q1 to Q4?

Exam Q 232022Previous Year Pattern

What is the total sales across all product categories in Q2?

Exam Q 242022Previous Year Pattern

In Q3, what is the ratio of Laptop sales to Software sales?

Exam Q 252022Previous Year Pattern

What is the average quarterly sales for Tablets across all four quarters?

Exam Q 262022Previous Year Pattern

What is the total production of Component B across all three factories in Q2?

Exam Q 272022Previous Year Pattern

What is the ratio of non-defective units of Component C produced in Q2 to defective units of Component C produced in Q1 across all factories?

Exam Q 282022Previous Year Pattern

What is the total production (in thousand units) across all units in Q3?

Exam Q 292022Previous Year Pattern

Which unit showed the highest absolute profit (in thousand units) in Q4?

Exam Q 302022Previous Year Pattern

By what percentage did Unit E's production increase from Q1 to Q4?

Exam Q 312022Previous Year Pattern

Which component showed the maximum percentage reduction in defect rate from Q1 to Q2?

Concept Notes

Caselets (paragraph DI)— Rules & Concept

Core ConceptRead this first — the foundation of the topic

Caselets in Data Interpretation are paragraph-based questions where data is presented in story format instead of charts or tables. These questions test your ability to extract numerical information from text and perform calculations. In SSC CGL, caselets typically appear as 3-5 questions based on one paragraph containing business scenarios, financial data, or statistical information. Key characteristics of caselets include mixed data presentation, multiple calculation steps, and real-world contexts like company profits, population studies, or survey results. The data is embedded within sentences, requiring careful reading to identify relevant numbers and relationships.

Common caselet patterns in SSC CGL include percentage calculations (profit/loss, growth rates), ratio and proportion problems, average and percentage combination, and simple interest/compound interest scenarios. Questions often involve finding missing values, comparing different entities, or calculating derived metrics. Formulas frequently used:

Percentage increase/decrease = (New Value - Old Value)/Old Value × 100 Average = Sum of all values/Number of values

Ratio calculation = Part/Whole × 100 Profit percentage = (Selling Price - Cost Price)/Cost Price × 100

ShortcutsUse these to save 30–60 seconds per question

Create a data extraction table while reading. Write down all numerical values with their labels in tabular format. This prevents re-reading and saves 30-40 seconds per question.

Worked ExampleSolve this step-by-step before moving on
1
Step 1

Extract data 2022 revenue = 50 lakhs 2023 revenue = 50 + 20% of 50 = 50 + 10 = 60 lakhs 2023 expenses = 60% of 60 = 36 lakhs 2023 profit = 16 lakhs

2
Step 2

Verify (Revenue - Expenses = Profit) 60 - 36 = 24 lakhs (but profit given as 16 lakhs, so expenses = 60 - 16 = 44 lakhs)

3
Step 3

Calculate expense percentage of 2022 revenue Expense percentage = (44/50) × 100 = 88% Another useful trick: Use approximation for quick elimination. If exact calculation seems time-consuming, round numbers to nearest 5 or 10 for faster computation, then match with closest option.

Exam TrapsCommon mistakes students make — avoid these

include misidentifying which year/entity the question refers to, mixing up base values for percentage calculations, and not verifying if calculated values make logical sense. Always cross-check your final answer against the given constraints in the paragraph.

Key Points to Remember

  • Caselets present data in paragraph format rather than charts or tables
  • Extract all numerical data into a separate table while reading to avoid re-reading
  • Questions typically involve 2-3 calculation steps combining different concepts
  • Common themes include profit-loss, growth rates, surveys, and financial scenarios
  • Always verify which time period or entity the question is asking about
  • Use approximation technique to eliminate wrong options quickly
  • Cross-check final answers against logical constraints given in paragraph
  • Percentage base identification is crucial - carefully note what the percentage is calculated on

Exam-Specific Tips

  • SSC CGL typically includes 2-3 caselet sets with 3-5 questions each in Tier-1
  • Each caselet question carries 2 marks with 0.5 negative marking
  • Average solving time per caselet question should be 90-120 seconds
  • Caselets often combine 2-3 topics like percentages with ratios or averages with profit-loss
  • Data extraction from paragraph format appears in 15-20% of total DI questions
  • Business scenario caselets are 60% more frequent than survey-based caselets
  • Mixed calculation caselets have appeared in last 8 consecutive SSC CGL papers

60-Second Revision — Caselets (paragraph DI)

  • Remember: Create data table immediately after reading the caselet paragraph
  • Formula: Percentage change = (New-Old)/Old × 100, check the base value carefully
  • Trick: Use approximation for elimination, exact calculation only for final answer
  • Trap: Questions often mix time periods or entities - underline key terms
  • Pattern: Most caselets involve 2-step calculations combining different concepts
  • Strategy: Verify final answer makes logical sense within given constraints
  • Time management: Spend maximum 6-7 minutes on complete caselet set
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