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Simple Interest · UPSC CDS/OTA · Question 23 of 32

Simple Interest: Two equal sums are invested at 6% and 9% p.a. simple interest. Together they earn ₹675 in 2.5 years. Find each sum.

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

Two equal sums are invested at 6% and 9% p.a. simple interest. Together they earn ₹675 in 2.5 years. Find each sum.

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.

Let each be ₹P. Total SI = P×2.5×(6+9)/100 = 675 ⇒ P = ₹1800.

Final Answer: Option D - ₹1800.00
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Two equal sums are invested at 6% and 9% p.a. simple… - Simple Interest (Mathematics) Solved Question