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 · Climate ChangeMedium · 45s
Arrange these events in chronological order: 1. Montreal Protocol 2. UNFCCC 3. Kyoto Protocol 4. Paris Agreement Select the correct order:
TopicClimate Change
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.
Montreal Protocol (1987), UNFCCC (1992), Kyoto (1997), Paris (2015).
Final Answer: Option A — 1-2-3-4