Subject
Quantitative Aptitude
Topic
Interest
The difference between the interest received from two different banks on Tk.1500 for four years is Tk. Find the difference between their rates.
The difference between the interest received from two different banks on Tk.1500 for four years is Tk. Find the difference between their rates.
ক)
1.25%খ)
0.5%গ)
0.75%ঘ)
1%Explanation
Let ‘r1’ and ‘r2’ be the two rates of interest. Then, S I = P r n/100 So, SI1 = 1500 × 4 × r1/100 = 60r1 And S I 2 = 60r2 Given, SI1 – SI2 = Tk.75 i.e. 60r1 – 60r2 = 75 60(r1 – r2) = 75 So, (r1 – r2)= 75/60 =5/4 = 1.25%Related questions
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