# Interest

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Created on By Kamal Raj

Interest Quiz MCQ Test Online Free

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The difference between the compound interest and the simple interest on a certain sum at 10% per annum for two years is Rs. 60. Find the sum.

2 / 20

What is the difference between the compound interests on Rs. 5000 for 1½ years at 4% per annum compounded yearly and half-yearly?

3 / 20

Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound interest on Rs. 4000 for 2 years at 10% per annum. The sum placed on simple interest is:

4 / 20

A certain sum lent out at simple Interest and the true discount on a certain sum for 1 year at 5% is Rs. 1. Find the sum:

5 / 20

A sum doubles in 20 years at simple interest. How much is the rate per annum?

6 / 20

The least number of complete years in which a sum of money put out at 20% compound interest will be more than doubled is:

7 / 20

The difference between compound interest and simple interest on certain sum of money in 2 years at 4% per annum is Rs. 50. Find the sum;

8 / 20

A man gets a simple interest of 500 on a certain principal at the rate of 5% p.a in two years. Find the compound interest the man will get on twice the principal in two years at the same rate?

9 / 20

For how many years should Rs. 1200 be invested at 10% p.a in order to earn the same simple interest as is earned by investing Rs. 1800 at 12% p.a for 5 years?

10 / 20

The simple interest earned on an amount of Rs.10500 at the end of two years is same as the compound interest on Rs.10,000 at the end of two years. The ratio of interest is same in both the cases. What is the ratio of interest?

11 / 20

An amount of Rs.4000 becomes Rs.5000 in five years at simple interest. If the rate of interest was 2 % more, then what was the total amount?

12 / 20

Rajesh lent out an amount of Rs.20000 into two parts, one at 15% p.a. and the remaining at 10% p.a. both on simple interest. At the end of the year he received Rs.2500 as total interest. What was the amount he lent out at 10% p.a.?

13 / 20

A certain sum becomes five times itself at simple interest in ten years. In how many years does it become nine times itself?

14 / 20

Balu borrowed 4000 from Bhabi at 10% p.a simple interest for four years. He then added some more money to the borrowed sum and lent it to Babloo for the same time at 15% p.a simple interest. If Balu gains 1400 by way of interest on the borrowed sum as well as his own amount from the whole transaction, then what is the sum lent by him to Babloo?

15 / 20

A certain sum of money is invested for two years at a certain rate of simple interest. If the rate of interest is 6% higher, then the interest earned will be 40% more than the interest earned earlier. What is the earlier rate of interest?

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The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is:

17 / 20

A certain sum becomes Rs.20000 in six years and 24000 in eight years at simple interest. Find sum and rate of interest?

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A certain sum is invested at simple interest at 16% p.a. for three years instead of investing at 10% p.a. for the same time period. Therefore the interest received is more by Rs.900. Find the sum?

19 / 20

A sum of money doubles itself in ten years at simple interest. Find the rate of interest?

20 / 20

In how many years does a sum of Rs.10000 yield a simple interest of Rs.10000 at 20% p.a.?

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What Is Interest?

Interest is a fee paid by a borrower of assets to the owner as a form of compensation for the use of the assets. It is most commonly the price paid for the use of borrowed money, or money earned by deposited funds. Interest can also be paid on deposits of goods, as well as other obligations such as consumer credit.

Interest is typically expressed as a percentage of the principal, which is the original amount of the loan or deposit or other obligation. The interest rate is typically determined by the lender or creditor, and can be fixed or variable. A fixed interest rate means that the rate remains the same throughout the life of the loan or other obligation, while a variable rate can change over time.

Interest can also be earned or paid in other ways. For example, it can be paid in the form of a dividend on an investment, or a bonus for depositing funds in a savings account. Interest can also be earned through activities such as investing in stocks, bonds, and other securities.

Interest is an important concept in economics and finance because it provides a way for lenders and borrowers to determine the cost of borrowing money and the returns that can be earned on investments. It is also used to calculate the amount of taxes owed on investments and other financial activities.

What Are The Diffrent Type of Interst?

Interest is the cost of borrowing money, and it is typically expressed as a percentage of the total loan amount. It is calculated over a period of time, usually a year, and is usually charged for the use of either borrowed money or money that has been invested. Interest helps to compensate lenders for the amount of money they have loaned out and helps to encourage investments. There are several different types of interest that can be paid or earned.

Simple Interest:

Simple Interest is the most basic type of interest and is a fixed rate of interest that is applied to the principal amount of a loan or investment. It is calculated as a percentage of the principal amount and is paid at the end of the loan period. It is typically used for short-term loans or investments since the interest rate does not change over time.

Compound Interest:

Compound Interest is a type of interest that is calculated based on the principal amount and any additional interest that is added to the loan or investment over time. This type of interest is typically used for long-term loans or investments, since the interest rate can change over time.

Negative Interest:

Negative Interest is a type of interest that is charged to borrowers by lenders. This type of interest is typically charged when a loan is taken out, and the borrower is required to pay back the amount of the loan plus an additional amount of interest. The interest rate is typically set at a lower rate than the normal interest rate to help encourage borrowing.

How to calculate Interests?

Interest is an important concept in finance, and it’s important to be able to calculate it accurately. Calculating interest is done by multiplying the principal (amount of money loaned or invested) by the interest rate and the time. The result is the amount of interest that is owed or earned.

To calculate interest, first determine the principal amount. This is the amount of money that was loaned or invested. Then, find the interest rate. This is the percentage of the principal that will be charged or earned. Finally, determine the length of time for which the interest rate applies.

Once you have these three figures, you can calculate interest using the following formula:

Principal × Interest Rate × Time = Interest

For example, if you had a loan of \$1000 with an interest rate of 10% and a time period of one year, you would calculate the interest by multiplying the principal (\$1000) by the interest rate (10%) and the time (1 year). This would come to \$100 in interest.

If the loan or investment is for a longer period of time, such as five years, you can use the same formula by multiplying the principal by the interest rate and the time (5 years). This would result in \$500 in interest.

It’s important to remember that interest is calculated over a period of time, so if you are calculating interest on a loan that is paid back over a period of time, you will need to calculate the interest for each period separately.

It’s also important to note that interest can be compounded, meaning that interest is added to the principal each period. This will increase the interest earned or owed each period, so it’s important to factor this into your calculations.

Finally, it’s important to remember that the interest rate can vary depending on the lender or investor. Be sure to check the rate before calculating the interest to ensure that you are using the correct rate.

Calculating interest is an important skill to have when dealing with finances. By understanding the formula and being aware of the factors that affect interest, you can ensure that you are calculating the interest accurately.