প্রশ্ন সংশোধন করুন
প্রশ্ন:
How much time will it take for an amount of Tk 450 to yield Tk. 81 as interest at 4.5% per annum of simple interest?
How much time will it take for an amount of Tk 450 to yield Tk. 81 as interest at 4.5% per annum of simple interest?