A sum of money is borrowed and paid back in two annual instalments of tk. 882 each allowing 5% compound interst. The sum borrowed was:

A    Tk. 1620

B    tk. 1640

C    tk. 1680

D    tk. 1700

Solution

Correct Answer: Option C

 

Present worth of Tk. P due in n years is given by Present worth =  Therefore, Principal = (Present worth of tk. 882 due 1 year hence) + (Present worth of tk. 882 due 2 years hence) = tk 840 + tk 800 = tk 1640

 

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