The banker's gain on a sum due 6 years hence at 12% per annum is Rs. 540. What is the banker's discount?

What is the present worth of a bill of Rs. 1764 due 2 years hence at 5% compound interest is

The present worth of a certain bill due sometime hence is Rs. 400 and the true discount is Rs. 20. What is the banker's discount?

A bill for Rs. 3000 is drawn on 14th July at 5 months. It is discounted on 5th October at 10%. What is the Banker's Discount?

What is the difference between the banker's discount and the true discount on Rs. 8100 for 3 months at 5%