Practice Compound Interest Questions and Answers

• A sum of ₹ 2,400 compounded annually at a certain rate of compound interest in 2 years amounts to ₹ 2,904. What will be the simple interest (in ₹) on...
• A sum of ₹33,100 was divided between Timir and Monali in such a way that if both invested their shares at 10% compound interest per annum, the amount pay...
• What will be the amount payable on Maturity of ₹2,250 invested for three years 20% p.a. interest compounded yearly?
• A sum of money invested at a certain rate of compound interest per annum amounts to ₹86,800 in 2 years and to ₹95,4800 in 3 years. Find the rate of com...
• A sum of money at a certain rate of interest when compounded annually becomes ₹625 in 4 years and ₹675 in 5 years. What is the rate of Interest per ann...
• Raj and Simran each invested a sum of ₹10,000 for three years at 25% compound interest per annum. However, while for Raj the interest was compounded annu...
• Krishna lends ₹48000 to Neelam for a year at 25% interest per annum, compounded half yearly. Find the interest that must be paid by Neelam.
• Rs. (3y + 600) is invested at 40% p.a. compound interest, compounded annually for 2 years, and earns an interest of Rs. (4y - 1200). Determine the value of...
• Investing Rs. (4z + 400) at 20% p.a. compound interest for 3 years yields an interest of Rs. (5z - 800). Find the value of ‘z’.(Can calculate approxima...
• Mr. Kalra borrowed ₹1,55,000 to meet the expenses of his son's education. If the rate of interest is 12% per annum compounded annually, then how much amo...
• If Rs. 5,000 is compounded at an annual interest rate of 8%, what will be the amount after 3 years?
• A sum of money triples itself in 6 years when invested at a certain rate of compound interest. In how many years will it amount to twenty-seven times itsel...
• A sum of money was invested at 10% p.a. compound interest (compounded annually), and it amounted to Rs. 6050 at the end of 2 years. Find the original sum....
• A principal amount is invested at an annual compound interest rate of y%. After 2 years, the investment grows to Rs. 7200, and after 4 years, it reaches Rs...
• A person invested ₹15000 in a scheme for 3 years at 8% compound interest, compounded annually. After 3 years, the person decided to withdraw the amount a...
• A sum of rupees 5,000 is invested at 15% per annum compound interest for 1.5 years, compounded half-yearly. What will be the final amount?
• A person invested 6,000 in a bank at compound interest compounded annually. After 3 years, the sum became 7,986. What was the rate of interest?
• The difference between the compound interest and simple interest on a certain sum for 2 years at 12% per annum is 144. Find the principal amount.
• A certain sum of money amounts to ₹12,600 in 2 years and ₹14,490 in 3 years at compound interest. Find the rate of interest per annum.
• Rahul invested ₹4,000 in a scheme offering a compound interest rate of 16% per annum, compounded semi-annually. Calculate the total interest earned by hi...
• A person borrows ₹80,000 at a rate of 10% per annum compound interest. What is the amount after 3 years?
• The compound interest on a sum of money for 3 years is 7,280. The sum amounts to 17,280 in 3 years. What is the rate of interest compounded annually?
• The compound interest on a certain sum for 2 years at 10% per annum is Rs. (x+420). The simple interest on the same sum at the same rate for the same time ...
• Raj invests a certain amount, which grows to Rs. 7,200 at the end of 2 years and further increases to Rs. 8,640 at the end of 3 years, at a specific annual...
• A sum of ₹10,000 is invested at a compound interest rate of 10% per annum. What will be the amount after 2 years if the interest is compounded annually?
• Digvijay takes a loan of ₹25,000 at an annual compound interest rate of 10%. He repays ₹4,000 at the end of each year. How much should he pay at the en...
• A sum of ₹20,000 is invested at an annual interest rate of 10% compounded half-yearly. What will be the total amount after 2 years?
• A sum of money is invested at a rate of 12% per annum compound interest for 2 years. If the total amount after 2 years is ₹11,520, what is the principal ...
• A sum of money amounts to ₹12,960 in 2 years at compound interest. If the rate of interest is 10% per annum, what is the principal amount?
• Raman invested Rs. 70,000 in a bank offering 10% compound interest per annum for 2 years. After 2 years, he used the total amount to start a business with ...
• A person invests ₹20,000 in a scheme that offers 8% compound interest annually. How much will the investment grow to after 3 years?
• The compound interest on a certain sum, compounded half-yearly at an annual rate of 20% for one year, is Rs. 540 less than the simple interest on the same ...
• A person invests ₹80,000 in a mutual fund. The investment grows at a rate of 8% per annum, compounded annually. After 3 years, he decides to withdraw ₹...
• The compound interest (compounded annually) on a certain amount for 2 years is Rs. 2415. If the annual rate of interest is 10%, what is the principal amoun...
• A man invests ₹50,000 in a scheme offering compound interest at 10% per annum, compounded annually. He withdraws ₹25,000 after 2 years. If he lets the ...
• A man borrowed ₹10,000 at an interest rate of 12% per annum compounded annually. He repaid ₹4,000 at the end of the first year. What amount should he p...
• A sum of ₹10000 is invested at compound interest for 2 years. If the interest rate is 5% per annum, what is the total amount after 2 years?
• An amount of Rs. 'R' is invested under compound interest at an annual rate of 25%, compounded yearly. After 2 years, the investment grows to Rs. 5,625. Det...
• Two trains start from points A and B, 300 km apart, and travel towards each other. Train 1 starts from A at 60 km/h, while Train 2 starts from B at 40 km/h...
• A man invests ₹30,000 in a scheme offering compound interest at 15% per annum, compounded half-yearly. Another man invests ₹35,000 in a scheme offering...