a bank offers 5% interst compounded half yearly . A customer deposit tk.1600 each on 1st july of a year . At the end of the year , the amount he would have gained by the way of interest is :
a bank offers 5% interst compounded half yearly . A customer deposit tk.1600 each on 1st july of a year . At the end of the year , the amount he would have gained by the way of interest is : Correct Answer tk.123
প্রথম 6 মাসে মুনাফা = 1600 × 1/2 × 5/100 দ্বিতীয় 6 মাসের মূলধন = 1600 + 40 + 1600 = 3240 দ্বিতীয় 6 মাসে মুনাফা = 3240 × 1/2 × 5/100 = 81 মোট মুনাফা = ( 40 + 81) টাকা = 121 টাকা