The banker's gain on a sum due 6 years hence at 12% per annum is Rs. 756. What is the banker's discount? Choose one.
A) 1240  B) 1120  C) 1190  D) 1806  E) none of these

Rationale: "explanation : td = ( bg × 100 ) / tr = ( 756 × 100 ) / ( 6 × 12 ) = rs . 1050 bg = bd – td = > 756 = bd - 1050 = > bd = 1050 + 756 = 1806 answer : option d"
Answer: D