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A certain sum of money becomes three times its original value in 4 years when invested at compound interest, compounded annually. In how many years will the same sum become nine times its original value at the same rate of interest?
5 years
9 years
6 years
8 years
8 years
Practice and solve "A certain sum of money becomes three times its original value in 4 years when invested at compound i..." for Mathematics - Previous Year Paper 2026. The correct answer is Option D: 8 years. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A certain sum of money becomes three times its original value in 4 years when invested at compound i..." for Mathematics - Previous Year Paper 2026. The correct answer is Option D: 8 years. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.