Bankers Discount - General Aptitude

Q1:

The banker's discount of a certain sum of money is Rs. 72 and the true discount on the same sum for the same time is Rs. 60. The sum due is:

A Rs. 360

B Rs. 432

C Rs. 540

D Rs. 1080

ANS:A - Rs. 360

Sum = B.D. x T.D. = Rs. 72 x 60 = Rs. 72 x 60 = Rs. 360.
B.D. - T.D. 72 - 60 12