Practice Simple and compound interest Questions and Answers

• A sum of money amounts to Rs.767 in 3 years, and to Rs.806 in 4 years on simple interest at 6% annum. What is the sum?
•  If a sum of Rs. 6,500 is to be borrowed for 2 years at 10% per annum compounded half-yearly, find the compound amount (integer values only).
• The simple interest on a sum of Rs X in 5 years is (2/5)of the principal. What is the annual rate of interest?
• A sum doubles in 9 years at simple interest. Find the rate of interest per annum is.
• What is the compounded amount on a sum of 25,000 after three years at a rate of 12 percent per annum interest compounded yearly?
• If interest is compounded half-yearly, then find the compound interest on Rs. 8,000 at the rate of 20% per annum for 1 year.
• A sum of Rs.10 is lent by a child to his friend to be returned in 11 monthly instalments of Rs.1 each, the interest being simple. The rate of interest is:
• A certain amount will become six times in 20 years. How long does it take for the same amount to become 5 times? Assume the same rate of simple interest in...
• A certain sum of money is given at a certain rate for 3 years. Had it been given at 5% higher rate; it would have fetched Rs.600 more. Find the sum.
• A&B invested their sum in the ratio of 22: 25. Respectively. In two different schemes. Offering simple interest of 15% per annum and compound interest of 1...
• A, B, and C all three invested in scheme at 20% SI for 2 years. A, B, and C entered in partnership with interest received from the scheme for 1 year, 8 mon...
• Amit invested Rs. 96,000 in two SIPs labeled 'P' and 'Q.' SIP 'P' offers an annual interest rate of (p - 3)%, and SIP 'Q' offers (p + 3)% interest, both at...
• Ajay invested Rs.24,000 in Fund 'P' for a duration of 4 years, where it earns simple interest at a rate of 22.5% per annum. The amount obtained from Fund '...
• if the interest is compounded half-yearly, calculate the amount when the principal  is Rs.4000, the rate of interest is 22%.solve the question
• What would be the annual interest accrued on a deposit of Rs.24,550 in a bank that pays a 22% per annum rate of simple interest?
• A sum becomes 2.89 times ot itselt in 2 years when invested at compound interest (compounded annually). What is the annual rate of interest?
• Ashakti invested the same amount of money in two distinct Systematic Investment Plans (SIPs), SIP 'X' and SIP 'Y,' both for a duration of 2 years. SIP 'X' ...
• Raghav invested Rs.1,800 at an annual compound interest rate of 'r%', compounded annually, resulting in a compound interest of Rs.792 after two years. Dete...
• Asmita invested Rs. 3200 for 2 years at an annual simple interest rate of r%, while Shreya invested the same sum as Asmita for 2 years at an annual compoun...
• Raghav placed an amount of Rs. 'x' in an account with an annual compound interest rate of R%. After 3 years, the compounded annual amount is Rs.12167. Addi...
• If the difference between the simple interest and compound interest, compounded annually, received on a principal amount of Rs. 25000 at an interest rate o...
• 'P' allocated different portions of his savings, totaling Rs. 100,000, to three banks. The first portion was invested in Axis Bank at a simple interest rat...
• At a simple interest rate of 20% per year for three years, 'P' invested Rs. 'p + 250', and for two years, Rs. 'p + 500' at a simple interest rate of 30% pe...
• How long will a sum of money take to double, if it is invested in 9% p.a. simple interest?(approx).
• X invested Rs. 3600 at an annual simple interest rate of (a + 10)% and Rs. 2400 at an annual simple interest rate of a%. After 3 years, the total interest ...
• R' invested an amount of Rs. 'r' for a duration of 4 years, while 'S' invested Rs. 6000 for 18 months. The ratio of their respective profits is 16:9. Deter...
• The total investment by P and Q is Rs. 7500. P invests his amount at a simple interest rate of 30% per annum for 4 years, while Q invests his amount at a c...
• A sum of money, invested for 8 years on 5% per annum simple interest, amounted to ₹287 on maturity. What was the sun invested in?
• A sum of money, invested for 8 years on 5% per annum simple interest, amounted to ₹287 on maturity. What was the sun invested in?
• "R" put Rs.(r + 5000) into a SIP that offered 12% annual simple interest for four years. He also made a three-year investment of Rs. (r - 5000) in the same...
• Anita and Rohan each invested a sum of ₹12,000 for 2.5 years at 20% compound interest per annum. However, while for Anita the interest was compounded ann...
• Rahul placed Rs. 40,000 between two investment options, ‘E’ and ‘F’, for 6 years and 3 years, respectively. Option ‘E’ accrues simple interest ...
• Soham invested Rs. 32,000 partly in schemes ‘I’ and ‘J’ for 4 years and 6 years, respectively. Scheme ‘I’ offers simple interest at 18% per ann...
• Mr. Karan invested his funds in 3 different projects 'P', 'Q', and 'R' in the ratio 7:6:5, respectively. The rates of interest offered by projects 'P', 'Q'...
• Ms. Riya allocated her savings into three different funds X, Y, and Z in the ratio 8:7:6. The interest rates for these funds are w% p.a., (w − 4)% p.a., ...
• A sum of money invested at 18% per annum simple interest for 3 years earns Rs. 540 more interest than it does when invested at 15% per annum compound inter...
• Rama and Dipak each invested a sum of ₹8000 for a period of two years at 15% compound interest per annum. However, while for Rama the interest was compou...
• Raj invested Rs. ‘5y’ in scheme ‘C’ offering simple interest of 20% p.a. and reinvested the interest earned from scheme ‘C’ at the end of 3 yea...
• If the difference between the simple interest and compound interest, compounded annually, on Rs. 40,000 at (r + 4)% rate of interest for 2 years is Rs. 256...
• By investing Rs. 6,000 for 'a' years at an annual compound interest rate of 15%, the interest gained amounted to Rs. 1,935. Determine the simple interest e...