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
Q₁₉. Why is India’s time 5 hours 30 mins ahead of GMT?
TopicLongitude
Question Typemultiple choice
DifficultyMedium
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Explanation:82°30' × 4 min = 330 min = 5.5 hrs.
Final Answer: Option B — Based on 82°30' E meridian