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
If it is 5:30 AM IST, what is the time at Greenwich?
TopicLongitude
Question Typemultiple choice
DifficultyMedium
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Explanation:IST is +5.5 hrs ahead of GMT → subtract 5.5 hrs → 12:00 AM.
Final Answer: Option A - 12:30 AM