Caselet DI
Master Caselet Data Interpretation. Learn to extract data from paragraphs into Tables and Venn Diagrams. Covers Arithmetic, Logical, and Flow-based Caselets.
Model 1: Venn Diagram (Set Theory)
- Scenario: Data involves groups with overlaps (e.g., Read Newspaper A, B, C; Play Cricket, Football).
- The Formulas (3 Sets):
Total = n(A) + n(B) + n(C) - n(AтИйB) - n(BтИйC) - n(CтИйA) + n(AтИйBтИйC) + None. - Strategy: Start from the innermost intersection (All 3) and work outwards.
- Regions:
"Exactly 2" = (AтИйB only) + (BтИйC only) + (CтИйA only).
Example:
Q: Total=100. A=50, B=40, Both=10. Find Neither.
Solution: AтИкB = 50+40-10 = 80. Neither = 100 - 80 = 20.
Model 2: Tabular/Tree Split
- Scenario: A paragraph describes a hierarchy. Total Employees -> Departments -> Male/Female -> Graduate/PG.
- Strategy: Draw a Tree Diagram or Table immediately. Do not read the whole text twice.
- Calculation Tip: Use a base number (like 100 or x) if total is missing, but usually Total is given.
Example:
Q: Total 1000. 40% HR. In HR, 60% Female.
Solution: HR = 400. Female HR = 240. Male HR = 160.
Model 3: Arithmetic Caselet
- Scenario: A story problem involving Profit/Loss, SI/CI, or Time/Distance for multiple people.
- Strategy: Treat it like multiple arithmetic word problems linked by common data.
- Example: Three friends invest money. A invests for 2 years, B for 3...
Example:
Q: A invests 1000 for 2 yrs. B invests 2000 for 1 yr. Ratio of Profit?
Solution: (1000├Ч2) : (2000├Ч1) = 2000 : 2000 = 1 : 1.
ЁЯОУ
Course4All Editorial Board
Verified ExpertSubject Matter Experts
Comprising experienced educators and curriculum specialists dedicated to providing accurate, exam-aligned preparation material.
Pattern: 2026 Ready
Updated: Weekly
Found an issue or have a suggestion?
Help us improve! Report bugs or suggest new features on our Telegram group.