True Discount - General Questions

Find the true discount on Rs. 4,730 due 1 year(s) hence at 10% per annum.

The true discount on a bill due 3 year(s) hence at 5% per annum is Rs. 780. What is the amount of the bill?

Find the true discount on Rs. 3,348 due 2 year(s) hence at 12% per annum.

The true discount on a bill due 1 year(s) hence at 5% per annum is Rs. 50. What is the amount of the bill?

What is the present worth of Rs. 3,888 due in 1 year(s) at 8% per annum simple interest?