Find the simple interest on Rs.11400 at 45% per annum for 6 months. (In Rs.)

A music teacher borrowed ₹8,200 from a friend at 6.5% simple interest per annum. After 3 years, he repaid the amount along with a small donation of ₹280 to his friend's charity. Find the total amount he paid.

Jaspreet deposited a sum of ₹28,450 at 20% rate of interest per annum, compounded annually. The total amount received by Jaspreet after 2 years is:

At what rate (in percentage) per year will a sum of money 5 times itself in 16 years on simple interest?

The amount on a sum of ₹2,800 at the rate of 5% per annum compound interest, compounded annually, in 2 years will be:

The compound interest on ₹2,000 for one year at 10% per annum, compounded half-yearly, is

A sum of ₹12,000 is invested for 2 years at a certain rate of interest, compounded annually. Had it been invested at a rate 2% higher, it would have earned ₹ 504 more. The original rate of interest is

If a sum of money placed at compound interest doubles itself in 2.5 years. In how many years will it become eight times the original sum at the same rate?

The difference between compound interest and simple interest on ₹ 10,000 for 2 years at 10% per annum is

A person invested half of his capital at 10% simple interest and the other half at 10% compound interest (compounded annually) for 2 years. If the total interest earned is ₹ 4,100 , his total capital was

The difference between the simple interest and compound interest(compounded half-yearly) on a certain sum at 10% per annum for one year is ₹ 100. The principal sum is equal to