CAT LRDI Venn Diagram Set 4 | Max–Min Case Puzzle 🤯 | CAT 2026

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If you haven’t watched Set 3 (Max–Min Venn Diagram concept), watch that first — this set builds on the same thinking. LINK -    • Why Max–Min Venn Diagram Questions Trap Yo...  

In this video, we solve a 3-parameter Venn Diagram LRDI set involving Mughlai, Chinese, and Italian cuisines, where maximum and minimum values of regions must be determined using logical case analysis.

The set becomes interesting because all regions of the Venn diagram can be expressed in a single variable (x), forcing us to analyze multiple possible cases.

But here’s the twist — one case becomes impossible due to the attacking point of prime numbers, and only the valid case can be solved forward to determine the range of x.

This type of LRDI set is a great example of case elimination + max–min reasoning, which is a crucial skill for CAT aspirants.

You will learn:
• how to express all Venn regions in one variable
• how to analyze multiple logical cases systematically
• how to eliminate impossible cases using constraints
• how to determine the range of x in Venn Diagram sets
• how to solve max–min region questions step by step
• common traps students face in case-based LRDI puzzles

This video is ideal for:
• CAT LRDI beginners building strong foundations
• non-engineers starting LRDI preparation
• aspirants struggling with case-based LRDI sets
• students who want structured logical thinking instead of guesswork

If you're preparing for CAT 2026, mastering these max–min and case-analysis techniques will help you solve complex LRDI Venn Diagram sets with confidence.

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