Solved UPSC CDS/OTA Question
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Q · Longitudemedium · 45s
If two places differ by 30° longitude, their local times differ by:
TopicLongitude
Question Typemultiple choice
Difficultymedium
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Since Earth rotates 15° longitude every hour, a difference of 30° corresponds to a 2-hour difference in local time between two places.
Final Answer: Option B - 2 hours