Certain loan amount was repaid in two annual installments of Rs.1331/- each. If the rate of interest be 10% per annum Compounded annually the sum borrowed was? Choose one:  A) Rs.2310/-  B) Rs.2400/-  C) Rs.2420/-  D) Rs.2430/-  E) Rs.2450/-
Principal = (P.W of Rs. 1331/- due 1 year hence) + (P.W of Rs. 1331/- due 2 years hence)   = [1331/(1 + 10/100) + 1331/(1 + 10/100)2]   = [1331/(110/100) + 1331/(110/100 × 110/100)]   = 13310/11 + 133100/121 = 1210 + 1100 = Rs.2310/-   Rs.2310/-
<result>A</result>
Certain loan amount was repaid in two annual installments of Rs.1331/- each. If the rate of interest be 10% per annum Compounded annually the sum borrowed was?