A sum of money amounts to ₹6,900 in 3 years and to ₹7,500 in 5 years at simple interest. What is the rate of interest per annum?

A. 4%

B. 6%

C. 8%

D. 5%

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Answer: D. 5%

Answer: (D) 5%

Interest for 2 years = 7500 \(-\) 6900 = 600, so 300 per year. Principal \(= 6900 - 3 \times 300 = 6000\). Rate \(= \frac{300}{6000} \times 100 = 5\%\).

Doubtly AI · 27 Oct 2026 AI-generated · not yet verified Report

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A sum of money amounts to ₹6,900 in 3 years and to ₹7,500 in 5 years at simple interest. What is the rate of interest per annum?

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