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 · PercentageMedium · 45s
The population of Gotham is 50,000 at this moment. It increased by 20% in the first year. However, in the second year, due to immigration, the population dropped by 10%. Find the population at the end of the third year if in the third year the population increases by 30%.?
TopicPercentage
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.
Final Answer: Option B — 70,200