Practice: Simple Interest

Question 1 of 25

Medium Simple Interest

A sum of Rs. 8000 is lent out in two parts at 5% and 10% simple interest respectively. If the total annual interest is Rs. 600, how much was lent at 10%?

Question 2 of 25

Hard Simple Interest

John invested a sum of Rs. 10,000 at a simple interest rate of 8% per annum. After how many years will the total amount of interest be equal to the principal?

Question 3 of 25

Medium Simple Interest

The simple interest on a sum for 6 years is 30% of the principal. What is the rate of interest per annum?

Question 4 of 25

Hard Simple Interest

A sum of Rs. 12,000 is divided into two parts such that one part is invested at 10% per annum and the other at 5% per annum. If the total interest earned after 2 years is Rs. 1,680, find the amount invested at 10%.

Question 5 of 25

Medium Simple Interest

A sum doubles in 8 years at simple interest. Rate per annum?

Question 6 of 25

Hard Simple Interest

A man borrows Rs. 10,000 at a rate of 5% per annum and lends it at 10% per annum. What is his gain after 3 years?

Question 7 of 25

Medium Simple Interest

A certain sum of money amounts to Rs. 9800 in 5 years and Rs. 12000 in 8 years at a certain rate of simple interest. What is the rate of interest?

Question 8 of 25

Hard Simple Interest

If a sum of money triples itself in 15 years at simple interest, in how many years will it become 5 times itself?

Question 9 of 25

Hard Simple Interest

A sum of money becomes double itself in 10 years at simple interest. What is the rate of interest?

Question 10 of 25

Hard Simple Interest

If the simple interest on a sum of money for 3 years is Rs. 540 and the rate of interest is 6%, what is the principal?

Question 11 of 25

Hard Simple Interest

A sum of money is lent out at simple interest and amounts to Rs. 720 in 2 years and Rs. 800 in 5 years. What is the principal amount?

Question 12 of 25

Medium Simple Interest

A man invests Rs. 3000 at a simple interest rate of 5% per annum. How much interest will he earn after 3 years?

Question 13 of 25

Hard Simple Interest

A man invests Rs. 10,000 at a certain rate of simple interest and Rs. 15,000 at another rate. After 3 years, he receives Rs. 7,200 as total interest. If the first rate is 5%, what is the second rate?

Question 14 of 25

Hard Simple Interest

A person borrowed Rs. 2,000 from a bank and repaid a total of Rs. 2,800 after 4 years. Find the rate of simple interest per annum.

Question 15 of 25

Medium Simple Interest

An amount of Rs. 15,000 is split into two parts. One part is lent at 9% per annum and the other at 11% per annum. If the total interest after 1 year is Rs. 1500, find the amount lent at 9%.

Question 16 of 25

Medium Simple Interest

A sum becomes Rs. 8400 in 2 years and Rs. 9600 in 3 years at simple interest. What is the principal amount?

Question 17 of 25

Hard Simple Interest

An amount of Rs. 5000 is lent at simple interest and it grows to Rs. 8000 in 5 years. What will be the total amount after 8 years?

Question 18 of 25

Hard Simple Interest

If an amount triples itself in 8 years at simple interest, in how many years will it become six times?

Question 19 of 25

Hard Simple Interest

A sum of Rs. 12,000 is lent out at 10% per annum simple interest. After certain years, the total amount becomes Rs. 18,000. Find the number of years.

Question 20 of 25

Hard Simple Interest

If the simple interest on a certain sum of money for 2 years at 6% per annum is Rs. 360, what will be the interest on the same sum for 4 years at 9% per annum?

Question 21 of 25

Hard Simple Interest

A sum of Rs. 10,000 is invested at 5% per annum simple interest. After certain years, the total amount becomes Rs. 15,000. How many years was the money invested?

Question 22 of 25

Medium Simple Interest

A sum doubles in 5 years at SI. Triples in?

Question 23 of 25

Hard Simple Interest

A sum of money becomes Rs. 6,500 in 5 years and Rs. 7,850 in 8 years at simple interest. What is the rate of interest per annum?

Question 24 of 25

Medium Simple Interest

Ravi lends Rs. 5000 to Amit at 8% per annum simple interest and Rs. 3000 to Sunil at 6% per annum simple interest. What is the total interest earned by Ravi at the end of 3 years?

Question 25 of 25

Hard Simple Interest

A man invests Rs. 12,000 in a scheme that offers 10% simple interest per annum. After some years, he withdraws Rs. 6,600 and the remaining amount continues to earn interest. If the total interest earned by the end of 5 years is Rs. 4,500, for how many years did he invest in total?

Finish

Practice: Simple Interest

A sum of Rs. 8000 is lent out in two parts at 5% and 10% simple interest respectively. If the total annual interest is Rs. 600, how much was lent at 10%?

John invested a sum of Rs. 10,000 at a simple interest rate of 8% per annum. After how many years will the total amount of interest be equal to the principal?

The simple interest on a sum for 6 years is 30% of the principal. What is the rate of interest per annum?

A sum of Rs. 12,000 is divided into two parts such that one part is invested at 10% per annum and the other at 5% per annum. If the total interest earned after 2 years is Rs. 1,680, find the amount invested at 10%.

A sum doubles in 8 years at simple interest. Rate per annum?

A man borrows Rs. 10,000 at a rate of 5% per annum and lends it at 10% per annum. What is his gain after 3 years?

A certain sum of money amounts to Rs. 9800 in 5 years and Rs. 12000 in 8 years at a certain rate of simple interest. What is the rate of interest?

If a sum of money triples itself in 15 years at simple interest, in how many years will it become 5 times itself?

A sum of money becomes double itself in 10 years at simple interest. What is the rate of interest?

If the simple interest on a sum of money for 3 years is Rs. 540 and the rate of interest is 6%, what is the principal?

A sum of money is lent out at simple interest and amounts to Rs. 720 in 2 years and Rs. 800 in 5 years. What is the principal amount?

A man invests Rs. 3000 at a simple interest rate of 5% per annum. How much interest will he earn after 3 years?

A man invests Rs. 10,000 at a certain rate of simple interest and Rs. 15,000 at another rate. After 3 years, he receives Rs. 7,200 as total interest. If the first rate is 5%, what is the second rate?

A person borrowed Rs. 2,000 from a bank and repaid a total of Rs. 2,800 after 4 years. Find the rate of simple interest per annum.

An amount of Rs. 15,000 is split into two parts. One part is lent at 9% per annum and the other at 11% per annum. If the total interest after 1 year is Rs. 1500, find the amount lent at 9%.

A sum becomes Rs. 8400 in 2 years and Rs. 9600 in 3 years at simple interest. What is the principal amount?

An amount of Rs. 5000 is lent at simple interest and it grows to Rs. 8000 in 5 years. What will be the total amount after 8 years?

If an amount triples itself in 8 years at simple interest, in how many years will it become six times?

A sum of Rs. 12,000 is lent out at 10% per annum simple interest. After certain years, the total amount becomes Rs. 18,000. Find the number of years.

If the simple interest on a certain sum of money for 2 years at 6% per annum is Rs. 360, what will be the interest on the same sum for 4 years at 9% per annum?

A sum of Rs. 10,000 is invested at 5% per annum simple interest. After certain years, the total amount becomes Rs. 15,000. How many years was the money invested?

A sum doubles in 5 years at SI. Triples in?

A sum of money becomes Rs. 6,500 in 5 years and Rs. 7,850 in 8 years at simple interest. What is the rate of interest per annum?

Ravi lends Rs. 5000 to Amit at 8% per annum simple interest and Rs. 3000 to Sunil at 6% per annum simple interest. What is the total interest earned by Ravi at the end of 3 years?

A man invests Rs. 12,000 in a scheme that offers 10% simple interest per annum. After some years, he withdraws Rs. 6,600 and the remaining amount continues to earn interest. If the total interest earned by the end of 5 years is Rs. 4,500, for how many years did he invest in total?

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