Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
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Q · Compound InterestDifficult · 45s
Find the amount of ₹18,000 at 8% p.a. for 2 years 6 months when compounded annually.
TopicCompound 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.
A = 18000×(1.08)^2×(1+0.08×0.5) = ₹21835.01.
Final Answer: Option A — ₹21835.01