Subject

    Bank Exam

    Topic

    Southeast Bank Ltd. - Trainee Officer - 2018

    The simple interest on a sum of money will be Tk. 600 after 10 years. If the principal is trebled after 5 years, what will the total interest at the end of the tenth year ?

    ক)
    Tk. 600
    খ)
    Tk. 1,200
    গ)
    Tk. 900
    ঘ)
    Tk. 1,500

    Explanation

    Solution: 10 বছর পর কোনো আসলের সরল সুদ 600 টাকা হবে । 5 বছর পর আসল 3 গুণ হলে 10 বছর পর মোট সুদ কত হবে ? Amount of interest in 10 years = 600 Tk. Amount of interest in 1 years = 60010=60\frac{{600}}{{10}} = 60 Tk. In simple interest, when the Principal is trebled, the interest will also be trebled. Amount of interest in the first 5 years = 5 × \times 60 = 300 Tk. And the amount of interest in the next 5 years = 60 × \times 5 × \times 3 = 900 Tk. At the end of tenth year total interest will be = 300 + 900 = 1,200 Tk.

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