The simple interest on an amount at the rate of 7 percent for five years is Rs 700. So how much is the principal?

The total sum of amounts of A and B at the end of 4 years and 2 years respectively on the same principal is Rs. 20,020. If A is charged Simple interest at the rate 10% and B is charged Compound interest at the rate 5%. The principal is?

The simple interest on a certain sum at 15% per annum for 5 year is Rs1500 more to the simple interest on the same at 12% per annum for the same period. Find the sum-

What sum will amount to ₹ 7000 in 5 years at $$3{1\over3}\%$$ simple interest ? 

A sum of money at simple interest amounts to ₹ 1,012 in $$2{1\over2}\%$$ years and to ₹ 1,067.20 in 4 years. The rate of interest per annum is:

A sum of money becomes Rs 16000 in 6 years at the rate of 25% per annum simple interest. What is the total interest for 6 years?

₹ 1,000 is invested at 5% per annum simple interest. If the interest is added to the Aprincipal after every 10 years, the amount will become 2,000 after

The difference between the simple interest and the compound interest on a certain amount at 5% for two years is 25, what is the amount?