Solved UPSC CDS/OTA Question
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Q · LongitudeMedium · 45s
India’s standard time is based on which meridian?
TopicLongitude
Question Typemultiple choice
DifficultyMedium
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Explanation:Indian Standard Time (IST) is based on 82°30' E longitude passing near Mirzapur, UP.
Final Answer: Option C — 82°30' E