The bankers discount of a certain sum of money is Rs. 36 and the true discount on the same sum for the same time is Rs. 30. The sum due is: Choose one.
A) 140  B) 150  C) 160  D) 170  E) 180
Sum = (B.D*T.D)/(B.D-T.D)   (36*30)/36-30;   180   ANSW180R:180
<result>E</result>
The bankers discount of a certain sum of money is Rs. 36 and the true discount on the same sum for the same time is Rs. 30. The sum due is: