Subject
Bank Exam
Topic
Janata Bank 2012 Executive Officer(EO)
There is 60% increase in an amount in 6 years at simple interest. What will be the compound interest of tk.12000 After 3 years in same rate?
There is 60% increase in an amount in 6 years at simple interest. What will be the compound interest of tk.12000 After 3 years in same rate?
ক)
tk 2160খ)
tk 3120গ)
tk 3972ঘ)
tk 6240Explanation
Let P = BDT 100. Then, S.I. BDT. 60 and T = 6 years. So, R = 60/6= 10% Now, P = tk. 12000. T = 3 years and R = 10% p.a. SO, Amount= tk. [12000x {(1+10/100)3}] = tk. 12000x (1331/1000) = 15972 So interest = 15972- 12000 = 3972Related questions
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