Must Do Sets LR Based DI - 01 | LRDI | CAT 2026 Preparation

Описание: 𝐀𝐛𝐨𝐮𝐭 𝐭𝐡𝐢𝐬 𝐯𝐢𝐝𝐞𝐨:
Master the toughest section of the CAT exam with our first episode of the LRDI Power Booster Series! In this session, Rahul Sir dives into a high-level LR Based DI set—the exact type of logic-heavy data sets that have dominated the CAT exam in recent years (2020-2025).

We take a "Mirzapur" themed case study featuring Gooddu Bhaiya, Munna, and Bauji to decode a complex 4-day Lucky Draw competition. This set perfectly blends Data Interpretation (Bar Graphs & Tables) with Logical Reasoning (Missing Data & Constraints).

🚀 What you’ll learn in this session:
✅ LR-DI Integration: How to compare a Bar Graph with a Table to decode hidden information. ✅ Missing Data Strategy: Step-by-step approach to filling a 20-cell unique number grid using logic and linear equations.
✅ Constraint-Based Solving: Mastering the "Unique Number" constraint (1-100) to eliminate options and find accurate values.
✅ Linear Equations in LRDI: Using variables like $a$, $b$, and $c$ to solve for daily totals and player scores.
✅ CAT Pattern Analysis: A special segment using AI (Gemini) to show you exactly how similar sets have appeared in CAT Slot 1, 2, and 3 over the last 10 years.

Why focus on LR-Based DI? Modern-day CAT exams (like CAT 2024 Slot 3) rarely give you simple calculation-based DI. Instead, they give you "Logical DI" where you must first unlock the logic before you can even touch the data. This session builds that specific "Aptitude" for 99+ percentile scorers.
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[The DPP (Daily Practice Problems) and doubt support system are available in this batch. Please make sure to check them out]

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⏳ Timestamps:
00:00 - Intro: Why LR-Based DI is the "Game Changer" in CAT
01:50 - Set Overview: The Mirzapur Lucky Draw Case Study
03:15 - Data Decoding: Analyzing the Bar Graph vs. Table Constraints
07:40 - The "Unique Number" Rule (1 to 100) and Why it Matters
11:10 - Filling the Grid: Starting with Day 1 & Day 2 Logical Gaps
18:30 - Using Linear Equations to Find Missing Values (A, B, C Method)
25:40 - Logic Check: Eliminating Values Using the "No Repeat" Constraint
32:15 - Completing the 20-Cell Grid (Guddu, Munna, & Bauji's Scores)
40:50 - Q1 Solving: Finding the Maximum Possible Score for a Specific Day
45:20 - Q2 Solving: Comparing Performance Ratios Between Players
50:10 - Q3 Solving: Identifying the Winner of the Lucky Draw
55:45 - Special Segment: How CAT Trends have evolved (2014 vs. 2024)
1:02:20 - Recap of Key Logical Takeaways & Next Steps
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