Question

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

Answer 1

TD = BD×100/100+ TR
=420×100/100+(4\12×15)
=420×100/100+(1\3×15)
=420×100/100+5
=420×100/105
=84×100/21
=4×100
=400 ans.

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