The banker's gain on a sum due 6 years hence at 12% per annum is Rs. 612. What is the banker's discount? Choose the correct choice from the following:
A) 1240
B) 1120
C) 1190
D) 1462
E) none of these

Rationale: "explanation : td = ( bg × 100 ) / tr = ( 612 × 100 ) / ( 6 × 12 ) = rs . 850 bg = bd – td = > 612 = bd - 850 = > bd = 612 + 850 = 1462 answer : option d"
Answer: D