In return to the right of using the creditor's money for a short time, according to condition, the debtor gives him some extra money. This money is known as Rate of interest.

If the simple interest of a certain sum of money for 1 year is Rs. 50 and compound interest for 2 years is Rs. 102, then find the sum of money and the rate of interest.

State whether the following statement is true or false: I. The compound interest of a certain sum of money for a certain period of time at the certain rate of compound interest per annum is less than the simple interest of the same sum of money for the same period of time and at the same rate of interest. II. In the case of compound interest the quantity of principal gradually increases. III. In the case of compound interest, the rate of interest changes every year. IV. In the case of compound interest, the same quantity of interest is obtained in every year. V. In the case of compound interest the obtained interest is proportional to the period of time.

If the total interest of some money for 2 years at the rate of interest 5% per annum is Rs 65, then find the money.

The interest of some of money for one month at the rate of simple interest 5% per annum is Rs1. Find the some of money.

The simple interest and compound interest of some amount of money in 2 years are Rs,840 and Rs.869.40. Find the amount of money and annual rate of interest.

If the compound interest of some money for 2 years at the rate of compound interest 5% per annum is Rs 615, then find the invested money.

At the same rate of interest and for the same period of time in which case is the investement more profitable to invest same quantity of money in compound and in simple interest?

A person deposited a principal of Rs3000 in a fixed depoosit scheme, in a bank under this condition that the principal will amount double at the end of 6 years. Find the rate of simple interst in percent per annum of the fixed deposite scheme. Due to special circumstance, the person have forced to withdraw all of his deposited money 2 years before the term of condition of period of time and so that the bank gave him interest at a rate of 5% less than the previous. Determine the amount of money which the person will get back from the bank.

If simple interest and compound interest of a certain sum of money for two years are Rs. 8400 and Rs. 8652 respectively, then find the sum of money and the rate of interest.