Solved UPSC CDS/OTA Question
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Q · Longitudemedium · 45s
Which longitude line is designated as the International Date Line?
TopicLongitude
Question Typemultiple choice
Difficultymedium
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
The International Date Line is approximately along the 180° longitude line opposite to the Prime Meridian.
Final Answer: Option C - 180° longitude