GATE 2026 IN – Question 9
Four people P, Q, R, and S, of different ages, make the following observations.
P: “I am younger than S.”
Q: “I am neither the youngest nor the oldest.”
R: “P is older than me.”
Based on these observations, the youngest person is ________.
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Show answer and explanation
Correct answer: (C) R
Explanation
P’s statement gives $P<S$ in increasing order of age. R’s statement gives $R<P$. Together these imply $R<P<S$.
Thus P and S cannot be youngest. Q explicitly states that Q is not youngest. The only remaining possibility is **R (C)**.