Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
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Q · Earth Movement And ImpactMedium · 45s
Which phenomenon explains the ‘Leap Year’?
TopicEarth Movement And Impact
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
The extra 0.25 days accumulate, adding one day every four years.
Final Answer: Option C — Earth’s revolution takes 365.25 days