Subject
Quantitative Aptitude
Topic
Interest
A certain sum of money grows up to Tk.125440 in two years and up to Tk.175616 in three years on compound interest. What is the rate of interest per annum?
A certain sum of money grows up to Tk.125440 in two years and up to Tk.175616 in three years on compound interest. What is the rate of interest per annum?
ক)
40%খ)
10%গ)
20%ঘ)
25%Explanation
The difference in amount i.e. Tk.175616 – 125440 = Tk.50176 Tk. 50176 is the S I for Tk. 125440 for 1 year. Therefore, the rate of interest = (SI × 100)/Pn = 50176 × 100/ 125440 × 1 = 40%Related questions
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