Subject
Bank Exam
Topic
Probashi Kallyan Bank Ltd (Senior Officer) - 09.10.2021
A sum of money amounts to Tk.9800 after 5 years and TK. 12,005 after 8 years at the same rate of simple interest .The rate of interest per annum is :
A sum of money amounts to Tk.9800 after 5 years and TK. 12,005 after 8 years at the same rate of simple interest .The rate of interest per annum is :
ক)
5%খ)
8%গ)
12%ঘ)
15%Explanation
প্রশ্নঃ- সরল সুদে কিছু টাকা ৫ বছরে 9,800 এবং 8বছরে 12,005 হলে সুদের হার কত ? উত্তরঃ- আসল -8 বছরের সুদে =12 ,005 আসল -5 বছরের সুদ =9,800 _____________________________________ 3 বছরের সুদ =2,205 ∴ 1 বছরের সুদ =2205/3 ∴5 বছরের সুদ =(2205 ×5)/3 =3,675 ∴আসল =9,800-3,675 =6,125 Tk. 6,125 টাকার 5 বছরের সুদ =3,675 টাকা ∴ 1 টাকার 1 বছরের সুদ =3675 /(6125×5) টাকা ∴ 100 টাকার 1 বছরের সুদ =3675×100 /(6125×5) =12%Related questions
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