Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ - decoded step-by-step.
Solve it the standard way once - then learn the shortcut.
Q · LongitudeMedium · 45s
Q₈. How much time does the Earth take to rotate 1° longitude?
TopicLongitude
Question Typemultiple choice
DifficultyMedium
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Explanation:Earth rotates 360° in 24 hours → 1° in 4 minutes.
Final Answer: Option B - 4 minutes