Practice Simple and compound interest Questions and Answers

• A man invested a certain amount of sum at 12.5% per annum simple interest and earned an interest of Rs.2400 after 4 years. If the same amount is invested a...
• Rs. ’P’ invested at a rate of 10% p.a. compound interest (compounded annually) amounts to Rs. 7744 at the end of 2 years. Find the simple interest earn...
• Rs. ’P’ invested at a rate of 8% p.a. compound interest (compounded annually) amounts to Rs. 7231.68 at the end of 2 years. Find the simple interest ea...
• Rs. ’P’ invested at a rate of 15% p.a. compound interest (compounded annually) amounts to Rs. 8464 at the end of 2 years. Find the simple interest earn...
• Rajat invested Rs. (P-100) on compound interest at the rate of ‘R’ % per annum compounded annually. Ravi invested Rs. (P+300) on simple interest at the...
• Hemant invested Rs. ‘y’ at the rate of (r+2)% per annum on simple interest and after four years Rs. 27520 was obtained as an interest. If Rs. (y+2500) ...
• Two persons A and B invest money in two schemes. A invests Rs. 6000 for 2 years in R% CI per annum. B invests Rs.7000 for 2 years in 20% CI per annum. If r...
• An amount of Rs. ‘y’ was invested on (R-2)% per annum on simple interest and at the end of 6 years an amount of Rs. 23100 was obtained as an interest. ...
• After 2 years, the ratio between the compound interest obtained from scheme A and B is 99:115 respectively. The total initial investment of both of the sch...
• Mr. Ajay invested in two schemes A and B contributing compound interest @ 5% pa and 7% pa respectively. If the entire amount of interest in two years was �...
• The ratio between the interest obtained from scheme L and M in 6 and 4 years is 4:3 respectively. In scheme L, Rs. 6000 was deposited on simple interest at...
• A sum of money C is Rs. 8000 more than B, B and C are invested at 10% p.a and 12.5% p.a, S.I for two years and the difference between the interest obtained...
• When  Rs.6400  funded  at  SI of 12% p.a for certain years which gives an interest of Rs.3840. If Rs.5000 is invested at CI compounded annually of 10% ...
• Arman Funded an amount at the rate of 6 % for a period of 2 years at C.I. while calculating, the rate of interest was interchanged with the time period and...
• Aman invested two equal amounts in two different projects. In the first project, the amount is invested at 5% p.a. on SI for T years and the SI received is...
• Mohit saves 20% of her monthly salary. And of the remaining Income he gives to his mother and sister its ¼ and half respectively and the remaining salary ...
• If Vipul invests Rs.’a’ in scheme ‘M’ with a compound interest rate of 20% p.a. for two years, and the total amount received from scheme ‘M’ is...
• In scheme A and B, Rs. ‘z’ and Rs. ‘(z+5000)’ were invested at the rate of (R-6)% and ‘R’% per annum on simple interest. After two years, the r...
• Find the total amount returned by Manish to the bank at the end of three years, when Rs.24000 is borrowed at the rate of (25/2)% compounded annually?(can c...
• Find the total amount returned by Manish to the bank at the end of three years, when Rs.24000 is borrowed at the rate of (25/2)% compounded annually?(can c...
• Kajal invested Rs. (y+2000) on compound interest at the rate of 18% per annum compounded annually in scheme P. She invested Rs. ‘y’ on 20% per annum on...
• Dinesh invested Rs. (P-500) at the rate of 27% per annum on simple interest and at the end of three years, he got Rs. 4860 as an interest. Pankaj invested ...
• Rs. ‘P’ was invested in scheme A at the rate of 30% per annum on compound interest for 3 years. Rs. (P+9875) was invested in scheme B at the rate of 24...
• Rs. (y-1500) was invested in scheme J on (R-1)% per annum on compound interest. Rs. ‘y’ was invested in scheme K on (R+1)% per annum on simple interest...
• Simran Funded Rs. 70,000 in two different SIP's. She funded the smaller amount at CI of 20% p.a. compounded annually, and larger amount at SI of 16.5% for ...
• John invested Rs. (P-4000) and Rs. (P+5000) in scheme A and scheme B respectively. The rate of interest in scheme A and B is (R+1)% and (R-1)% respectively...
• An amount of Rs. (y-2800) was invested on simple interest at the rate of (R+1)% per annum for 6 years. An another amount of Rs. (y+3200) was invested on si...
• A sum of ₹8,500 amounts to ₹11,900 in 5 years at simple interest per annum. If the rate of interest is increased by 3%, then the increased amount for t...
• Amit invested 'x' on simple interest at 12% for 7 years and (x + 400) on compound interest at 10% p.a for 2 years. At the end of nine years, he will receiv...
• The difference between simple and compound interest on Rs 2900 at a certain rate in 2 years is Rs 10.44, then what is the annual rate.
• What sum of money at 120% compound interest per annum amounts to Rs.376.32 in 2 years?
• The difference between the simple interest for two years and the compound interest for one year on a sum of money is Rs.273. In which compound interest is ...
• Raj invested equal amounts in two schemes x and y at compound interest. In scheme x, the rate of interest was 8% per annum and in scheme y the rate of inte...
• Rs. (X+500) is invested in scheme A for 5 years at 10 % simple interest. The received amount is then invested in another scheme B offering 10% interest for...
• The simple interest received on a sum at the rate of 4 percent per annum is 3/5 of the sum. What is the time period?
• If Rs. 4000 becomes Rs. 5760 in 2 years at compound interest (compounded annually), then what is the annual rate of interest?
• An initial principal sum of Rs. 8000, invested by Pranav, accrued interest at a compound rate of 20% annually for a period of 2 years. Subsequently, the en...
• When the interest accrued on a certain principal amount over four years is 4/9 times the interest earned on the same principal amount after another four ye...
• Gaurav borrowed Rs. 40000 from a bank at the simple interest of 10% p.a for 2 years. He lent some of this borrowed amount to his friend Shubham at the comp...
• A certain sum is invested for three years at rate of interest being 25% and it is invested in both simple interest and compound interest (compounded annual...