Subject
Quantitative Aptitude
Topic
Interest
The difference between the interest received from the two different banks on Tk.960 for 4 years is Tk.8, then what is the difference between their rates ?
The difference between the interest received from the two different banks on Tk.960 for 4 years is Tk.8, then what is the difference between their rates ?
ক)
3.5%খ)
1.25%গ)
0.75%ঘ)
0.5%Explanation
Simple Interest ( SI) = Prn/100 Here, SI1 = 960 × 4 × r1/100 = 38.4 r1 Similarly, SI2 = 38.4r2 Given, SI1 – SI2 = Tk.28.8 i.e. 38.4 r1 – 38.4 r2 = 28.8 38.4 ( r1 – r2) = 28.8 So, r1 – r2 = 28.8/38.4 = 0.75%.Related questions
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