Solved UPSC CDS/OTA Question
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Q · Simple InterestDifficult · 45s
Interest at 12% p.a. for 8 months equals interest at 8% p.a. for 12 months on the same sum. If each interest is ₹960, find the principal.
TopicSimple Interest
Question Typemultiple choice
DifficultyDifficult
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
P = 960×100/(12×8/12) = ₹12000.
Final Answer: Option A — ₹12000.00