The present worth of a certain bill due sometime hence is Rs. 1296 and the true discount is Rs. 72. What is the banker’s discount?
Answer: A
B.G. = (T.D.)⊃2; / P.W. = (72*72 )/1296 = 12*12/36 = 12/3 = Rs. 4
BG = BD – TD
=> 4 = BD – 72
=> BD = 72 + 4 = Rs. 76