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A sum of money at simple interest amounts to Tk. 815 in 3 tears and to Tk. 854 in 4 years.The sum is :

A sum of money at simple interest amounts to Tk. 815 in 3 tears and to Tk. 854 in 4 years.The sum is : Correct Answer Tk.698

Simple Internet ofr 1 year = Tk. (854 - 815) = Tk. 39 Simple Interest for 3 years  =  Tk. (39×3)  =  Tk. 117∴ Principal or sum  =  Tk. ( 815 - 117) Tk. 698

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