the banker ' s gain on a sum due 6 years hence at 12 % per annum is rs . 900 . what is the banker ' s discount ?
"explanation : td = ( bg × 100 ) / tr = ( 900 × 100 ) / ( 6 × 12 ) = rs . 1250 bg = bd – td = > 900 = bd - 1250 = > bd = 2150 answer : option d"
add(900, divide(multiply(900, const_100), multiply(12, 6)))