Simple Interest · UPSC CDS/OTA · Question 25 of 30

Simple Interest – Question 25

Step-by-step solution. Simple Interest for UPSC CDS/OTA.

Topic
Simple Interest
Subject
Mathematics
Difficulty
Moderate
Solve Time
45–60 sec

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Q · Simple InterestModerate · 45s

At what time will the simple interest be 60% of the principal at 7.5% p.a.?

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.

T = 60/7.5 = 8.0 years.

Final Answer: Option B — 8.0 years
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Simple Interest Question 25 – UPSC CDS/OTA