The true discount on a bill of Rs. 2260 is Rs. 360. What is the banker's discount?
Choose one:
A) rs . 428
B) rs . 422
C) rs . 412
D) rs . 442
E) none of these

Rationale: "explanation : f = rs . 2260 td = rs . 360 pw = f - td = 2260 - 360 = rs . 1900 true discount is the simple interest on the present value for unexpired time = > simple interest on rs . 1900 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 . 2260 for unexpired time = 360 / 1900 × 2260 = 0.19 × 2260 = rs . 428 answer : option a"
Answer: A