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 · Simple InterestModerate · 45s
The amount after 6 years at 8% p.a. Simple interest is ₹12,960. Find the principal.
TopicSimple Interest
Question Typemultiple choice
DifficultyModerate
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
P = 12960/(1+0.48) = ₹8756.76.
Final Answer: Option D — ₹8756.76