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A bill falls due in 1 year.The creditor agrees to accept immediate payment of the half and to defer the payment of the other half for 2 years.By this arrangement ins Rs.40.what is the amount of the bill,if he money be worth 12.5%?

Correct Answer: 3600

Explanation:

Let the sum be Rs. x. Then,   


x 2 + x 2 × 100 100 + 25 2 × 2 - x × 100 100 + 25 2 × 1   =   40   


(x/2)+(2x/5)-(8x/9) = 40  


x=3600.  


Therfore, amount of bill=Rs. 3600.


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