The true discount on a bill of Rs. 540 is Rs. 90. The banker's discount is: Pick:
A) rs . 60	B) rs . 108	C) rs . 110	D) rs . 112	E) rs . 122

Rationale: "p . w . = rs . ( 540 - 90 ) = rs . 450 . s . i . on rs . 450 = rs . 90 . s . i . on rs . 540 = rs . ( 90 / 450 ) x 540 = rs . 108 . b . d . = rs . 108 . answer : b"
Answer: B