Correct Answer: Option D
Given, the amount for 2 years =Tk.756
The amount for 3 ½ years = Tk.873
Therefore, S I for 1 ½ years = 873 – 756 = Tk.117
Therefore, S I for 2 years = 117 / 1 ½ × 2
= 117 × 2 × 2/3
= Tk.156
Therefore, the Sum = Tk.756 – 156 = Tk.600.
So, the rate per cent =( SI ×100)/Pn = 78 × 100/600 × 1
= 78/6
= 13%.
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