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
Sudhir, a very clever businessman, started off a business with very little capital. In the first year, he earned a profit of 50% and donated 50% of the total capital (initial capital + profit) to a charitable organization. The same course was followed in 2nd and 3rd year also. At the end of three years, he is left with RS. 33,750, then find the amount donated by him in the 2nd year.
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 — RS. 25,000