11.
The present worth of a sum due sometime hence is Rs. 576 and the banker's gain is Rs. 16. The true discount is:

12.
The true discount on a bill of Rs. 540 is Rs. 90. The banker's discount is:

13.
The banker's discount on a certain sum due 2 years hence is $$\frac{{11}}{{10}}$$ of the true discount. The rate percent is:

14.
If the true discount on a certain sum due 6 months hence at 15% is Rs. 120, what is the banker's discount on the same sum for the same time and at the same rate?

15.
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.

16.
The bankers discount on Rs. 1800 at 12% per annum is equal to the true discount on Rs 1872 for the same time at the same rate. Find the time.

17.
The true discount on a bill of Rs. 2160 is Rs. 360. What is the banker's discount?

18.
The bankers discount and true discount on a sum of money due 8 months hence are Rs.120 & Rs.110 resp. Find the sum.

19.
The banker's discount on Rs. 1650 due a certain time hence is Rs. 165. Find the true discount and the banker's gain

20.
A bill for Rs. 6000 is drawn on July 14 at 5 months. It is discounted on 5th October at 10%. Find the banker's discount, true discount, banker's gain and the money that the holder of the bill receives.