1.  The present worth of a certain bill due sometime hence is Rs. 800 and the true discount is Rs. 36. The banker's discount is:
A. Rs. 37
B. Rs. 37.62
C. Rs. 34.38
D. Rs. 38.98

Answer: Option B

Explanation:

B.G. = (T.D.)2 = Rs. 36 x 36
P.W. 800

      = Rs. 1.62

B.D. = (T.D. + B.G.) = Rs. (36 + 1.62) = Rs. 37.62