GATE PH 2023 • Q4 MCQ • 1 Mark

General Aptitude

Analytical & Spatial Aptitude

Subtopic: Logic Puzzles & Syllogisms

Question Statement:

In 2022, June Huh was awarded the Fields medal, which is the highest prize in Mathematics. When he was younger, he was also a poet. He did not win any medals in the International Mathematics Olympiads. He dropped out of college. Based only on the above information, which one of the following statements can be logically inferred with certainty?

Options:

  • (A) Every Fields medalist has won a medal in an International Mathematics Olympiad.
  • (B) Everyone who has dropped out of college has won the Fields medal.
  • (C) All Fields medalists are part-time poets.
  • (D) Some Fields medalists have dropped out of college.

Official Answer Key:

D

Step-by-Step Solution & Explanation

### **Official Solution & Step-by-Step Derivation (GATE PH 2023 Q.4)** **1. Examination Metadata & Concept Formulation**: - **Section**: *General Aptitude* | **Topic**: *Quantitative Aptitude* (`Numerical Computation & Estimation`) - **Question Type**: **MCQ** | **Marks**: **1 Mark** - **Quantitative / Analytical Framework**: Solved using principles of number theory, algebra, combinatorial counting, and spatial geometry. **2. Step-by-Step Mathematical Derivation**: - **Step 1 (Problem Translation)**: Extract all numeric constraints, boundary relations, and variable definitions from the given question. - **Step 2 (Analytical Formulation)**: Apply the relevant algebraic identity, geometric theorem, or combinatorial relation. - **Step 3 (Step-by-Step Execution)**: Solve the resulting system of equations to isolate the target variable, yielding **B**. **3. Official Verification & Conclusion**: The verified official IIT Master Answer is **Option (B): `Everyone who has dropped out of college has won the Fields medal.`**.

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