Question

The banker's discount on a bill due 4 months hence at 15% is Rs. 420. The true discount is:

Answer 1

The answer is Rs. 400.

Solution:-
True discount = (B.D. x 100)/100 + (R x T)
                       =(420 x 100)/ (100 + 15 x 1/3)
                       = 42000/105 = Rs.400