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 · Wind and Pressure BeltMedium · 45s
Which of the following rocks is rich in fossil content?
TopicWind and Pressure Belt
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.
Limestone, a sedimentary rock, often contains fossils.
Final Answer: Option C — Limestone