the true discount on a bill of rs . 2660 is rs . 360 . what is the banker ' s discount ?
"explanation : f = rs . 2660 td = rs . 360 pw = f - td = 2660 - 360 = rs . 2300 true discount is the simple interest on the present value for unexpired time = > simple interest on rs . 2300 for unexpired time = rs . 360 banker ' s discount is the simple interest on the face value of the bill for unexpired time = simple interest on rs . 2160 for unexpired time = 360 / 2300 × 2660 = 0.16 × 2660 = rs . 416 answer : option c"
multiply(divide(360, subtract(2660, 360)), 2660)