At what rate of simple interest per annum will a sum of money double itself in 8 years?

A. 15%

B. 12.5%

C. 8%

D. 10%

Doubtly AI Asked 27 Oct 2026 AI-generated · not yet verified ssc chsl Save WhatsApp Report

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Answer: B. 12.5%

Answer: (B) 12.5%

To double, SI = P. \(P = \frac{P \times R \times 8}{100} \Rightarrow R = \frac{100}{8} = 12.5\%\).

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

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