1.  The true discount on a bill of Rs. 540 is Rs. 90. The banker's discount is:

A. Rs. 60
B. Rs. 108
C. Rs. 110
D. Rs. 112

Answer: Option B

Explanation:

P.W. = Rs. (540 - 90) = Rs. 450.

S.I. on Rs. 450 = Rs. 90.

S.I. on Rs. 540 = Rs. 90 x 540 = Rs. 108.
450

B.D. = Rs. 108.