Difficulty: Easy
Correct Answer: Lahore
Explanation:
Introduction / Context:Geographic classification by country borders offers a crisp filter. Three listed cities are in India; one is in a neighboring country, making it the clear outlier.
Given Data / Assumptions:
Concept / Approach:Check national affiliation of each city. The mismatch in country immediately determines the odd item.
Step-by-Step Solution:
1) Tag Kanpur/Lucknow/Patna as Indian cities.2) Tag Lahore as Pakistani city.3) Lahore is the only non-Indian city → odd one out.Verification / Alternative check:State-capital check: Lucknow and Patna are capitals; Kanpur is a major Indian city; Lahore does not belong to India.
Why Other Options Are Wrong:They are Indian cities and thus coherent as a set.
Common Pitfalls:Similarity in cultural or historical heritage does not change modern national borders.
Final Answer:Lahore
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