1.  The certain worth of a certain sum due sometime hence is Rs. 1600 and the true discount is Rs. 160. The banker's gain is:
A. Rs. 20
B. Rs. 24
C. Rs. 16
D. Rs. 12

Answer: Option C

Explanation:

B.G. = (T.D.)2 = Rs. 160 x 160
P.W. 1600

      = Rs. 16.