The banker's gain on a bill due due 1 year hence at 12% per annum is Rs.9. The true discount is  Choices
A) rs . 75	B) rs . 36	C) rs . 54	D) rs . 50	E) none

Rationale: "solution t . d = [ b . g x 100 / r x t ] = rs . ( 9 x 100 / 12 x 1 ) = rs . 75 . answer a"
Answer: A