Determine the nominal rate of interest if:

The periodic rate is 0.83% per month

What is the least number of complete years in which a sum of money put out at 40% annual compound interest will be more than trebled?

Calculate the amount on Rs. 1875 for 2 year at 4% per annum, compounded yearly.

An article costs Rs 50 presently. The rate of inflation is 300%. What will be cost of this article after two years?

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 12% per annum is Rs 900. What is the value of given sum (in Rs)?

At what rate of compound interest per annum will a sum of Rs 10000 become Rs 12321 in 2 years?

What is the Compound interest on Rs. 5000 in 3 years, if the rate of interest is 4% for the first year, 3% for the second year and 2% for the third year?

What is the compound interest (in Rs) for 1 year on a sum of Rs 20000 at the rate of 40% per annum compounding half yearly?

Mr. Mike borrowed Rs. 8500 at 4% per annum C.I. The C.I. compounded annally for 2 years is :