The banker's gain on a bill due due 1 year hence at 12% per annum is Rs.7.2. The true discount is
Pick one:  A) Rs.72  B) Rs.36  C) Rs.54  D) Rs.60  E) none
Solution   T.D	= [B.G x 100 / R x T]   = Rs.(7.2 x 100 / 12 x 1)   = Rs.60.   Answer Rs.60
<result>D</result>
The banker's gain on a bill due due 1 year hence at 12% per annum is Rs.7.2. The true discount is