The difference b/w the simple interest and true discount on a certain sum of money for 6 months at 12.5% per annum is Rs 25. Find the sum.

If the difference between the compound and simple interests on a certain sum of money for 3 years at 5% per annum is Rs 15.25, find the sum.

The difference between compound interest and simple interest on a certain sum of money for 3 years at 5% per annum is Rs. 122. Find the principal.

If the difference between simple interest and compound interest on a certain sum of money for 3 yr at 10% per annum is Rs 31, the sum is -

The difference between simple interest and compound interest on a certain sum of money for three years at 10% per annum is Rs. 15 and 50 paise. The sum is:

The difference between the compound interest and the simple interest on a certain sum for 2 years at 6% per annum is Rs 90. Find the sum.

The difference between the compound interest and simple interest on a certain sum for 2 years at 7.5% per annum is Rs 360. Find the sum.