1.  The banker's gain on a bill due 1 year hence at 12% per annum is Rs. 6. The true discount is:
A. Rs. 72
B. Rs. 36
C. Rs. 54
D. Rs. 50

Answer: Option D

Explanation:

T.D. = B.G. x 100 = Rs. 6 x 100
R x T 12 x 1

         = Rs. 50