The present worth of a bill due sometime hence is Rs. 1100 and the true discount on the bill is Rs. 110. Find the banker’s discount and the banker’s gain.
Answer: B
.D. = √(P.W.*B.G)
B.G. = (T.D.)⊃2;/ P.W. = Rs.[(110*110)/ 1100] = Rs. 11.
B.D.= (T.D. + B.G.) = Rs. (110 + 11) = Rs. 121.