The interest on a certain sum of money is `Rs67.20 `and the discount on the same sum of money for the same time and at the same rate is`Rs60`. What is the sum?

The interest on a certain sum of money is Rs 22 and the true discount on the same sum for the same time and at the same rate is Rs 20. Find the sum.

The true discount on a certain sum of money due 3 yrs hence is Rs 250 and the simple interest on the same sum for the same time and at the same rate is Rs 375. Find the sum and the rate percent.

The true discount on a certain sum of money due 10 yr hence is 68 and the simple interest on the same sum for the same time and at the same rate of interest is 102. Find the sum due.

The banker’s discount of a certain sum of money is Rs 72 and the true discount on the same sum for the same time is Rs 60. The sum due is (a) Rs 360 (b) Rs 432 (c) Rs 540 (d) Rs 1080

The true discount on a certain sum of money due 16 yr hence is 300 and the simple interest on the same sum for the same time and at the same rate of interest is 900, find the rate per cent.

The true discount on a certain sum of money due 4 yr hence is X 75 and the simple interest on the same sum for the same time and at the same rate of interest is X 225. Find the rate per cent.