The banker's gain on a bill due due 1 year hence at 12% per annum is Rs.9. The true discount is	Choose the correct choice from the following options:
A) Rs.75	B) Rs.36	C) Rs.54	D) Rs.50	E) none
Solution   T.D	= [B.G x 100 / R x T]   = Rs.(9 x 100 / 12 x 1)   = Rs.75.   Rs.75nswer Rs.75
<result>A</result>
The banker's gain on a bill due due 1 year hence at 12% per annum is Rs.9. The true discount is