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
How long does it take for the Moon to complete one revolution around Earth?
TopicEarth Movement And Impact
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
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The sidereal month is about 27.3 days.
Final Answer: Option B — 27.3 days