If the true discount on a certain sum due 6 months hence at 15% is Rs. 120, what is the banker’s discount on the same sum for the same time and at the same rate?
Answer: B
B.G. = S.I. on T.D. = Rs.(120 * 15 * (1/2) * (1/100)) = Rs. 9.
(B.D.) – (T.D.) = Rs. 9.
B.D. = Rs. (120 + 9) = Rs. 129.