12) The true discount on a bill due 9 months hence at 12% per annum is Rs. Find the amount of the bill and its present worth.
Option:A
A.6000 B.5454 C.4545 D.5445
Sol. Let amount be Rs. x. Then,
x*R*T/100 + (R x T)
=T.D.
=>x * 12*3/ 4/[100+[12*3/4]]
=540
x= 540×109 = Rs.6540
Amount – Rs. 6540. P.W. = Rs. (6540 – 540) – Rs. 6000.