Difficulty: Easy
Correct Answer: (iii) (ii)
Explanation:
Introduction / Context:
“Either … or …” is typically read as an exclusive alternative in reasoning puzzles unless otherwise specified.
Given Data / Assumptions:
Concept / Approach:
The combination “does not run” and “walks” satisfies exclusivity.
Step-by-Step Solution:
Pick (iii) (ii): not run, and walks.
Verification / Alternative check:
(i)(ii) asserts both true, contradicting exclusivity; (iii)(iv) asserts both false, also contradicting “either.”
Why Other Options Are Wrong:
They violate exclusive-or or create contradictions.
Common Pitfalls:
Reading “either … or …” as inclusive.
Final Answer:
(iii) (ii)
Discussion & Comments