Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ - decoded step-by-step.
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Q · Simple InterestEasy · 45s
In how many years will ₹4500 yield ₹810 as simple interest at 9% per annum?
TopicSimple Interest
Question Typemultiple choice
DifficultyEasy
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
T = (SI×100)/(P×R) = (810×100)/(4500×9) = 2 years.
Final Answer: Option A - 2 years