Practice Simple and compound interest Questions and Answers

• Bittu, Tittu and Mitthu invested Rs. 80000, Rs. 100000 and Rs. 120000 respectively to start a business. Partnership condition is that, each will get intere...
• The simple interest accrued in five years on a principal of Rs. 50,000 is one – tenth of the principal. What is the rate of simple interest pa?
• How much time will it take for an amount of Rs.2000 to yield Rs. 640 as interest at 8% p.a. of SI? 
• On Rs. 6000 invested at a simple interest at the rate of 4% p.a., Rs. 2400 is obtained as interest in certain years. In order to earn Rs. 4800 as interest ...
• Some amount out of Rs. 24000 was lent out at 10% per annum and the rest amount @ 16% per annum and thus in 5 years the total interest from both the amount ...
• In what time will Rs. 45000, at 4% per annum, produce the same interest at Rs.18000 does in 5 years at 8% simple interest?
• If Rs. 12000 is invested at a simple interest at the rate of 5% p.a., Rs. 4800 is obtained as interest in certain years. In order to earn Rs. 6400 as inter...
• What sum of money will become Rs.1352 in 2 years at 4 percent per annum compound interest? 
• Charan went to purchase an Apple i phone, the shopkeeper told him to pay 30% GST, if he asked the bill. Charan manages to get the discount of 10% on the ac...
• A Motorbike can be purchased on cash payment of Rs. 30000. But the same Motorbike can also be purchased on the cash down payment of Rs 7000 and the rest ca...
• Rs 2000 are invested at 5% p.a simple interest. If the interest is added to the principal after every 10 years, the amount will become Rs 4000 after 
• Jupiter borrowed a sum of Rs 31,500 from Mars at the rate of 14% per annum for 3 years. He added some more money in it and lent it to Saturn at the rate of...
• A man borrowed Rs 300 and promised to pay back in 11 equal instalments of Rs 30 each. Find the rate of simple interest per annum?
• A Man deposited certain amount in the Bank at the end of each year. How much amount did he deposited at the end of each year at the rate of 15% simple Inte...
• Rohit invested a certain amount at the rate of 6 p.c.p.a. and obtained a simple interest of Rs 8,730 at the end of 3 years. What amount of compound interes...
• Rs.700 amounts to Rs.742 in 2 years at a certain rate. If interest rate is increased by 2%, then what will be the new interest?
• If the simple interest on a certain sum of money for 15 months at 3(1/2)% per annum exceeds the simple interest on the same sum for 9 months at 2(1/2)% per...
• On what sum will the difference between the simple and compound interest for 3 years at 20% percent per annum amounts to Rs 66.56?
• Simple interest on a sum of money for 2 years is 1/5th of the sum, then the interest received in 5 years on same principal will be what time of the princip...
• Mark invested Rs 15,000 in a scheme at simple interest 20% per annum. After three years he withdrew the principal amount plus invested the entire amount in...
• A farmer wants to divide Rs 1,22,000 between his sons , who are 18 and 20 years old respectively, in such a way that the sum divided at the rate of 20% per...
• What will be the simple interest on Rs. 6,20,000 from March 30, 2011 to November 04, 2011 at 12 % p.a?
• If a sum when placed at compound interest grows to Rs.6,400 in 2 yrs and to Rs. 8,000 in 3 yrs, find the rate percent p.a.
• Naina lent Rs. 10,000 to Mohini for 4 years and Rs. 15,000 to Mitali for 6 years on simple interest at the same rate of interest and received Rs. 2,600 in ...
• If Rs. 12000 is invested at a simple interest at the rate of 5% p.a., Rs. 4800 is obtained as interest in certain years. In order to earn Rs. 6400 as inter...
• Some amount out of Rs. 12000 was lent out at 10% per annum and the rest amount @ 16% per annum and thus in 5 years the total interest from both the amount ...
• If the difference between C.I. and S.I. is Rs. 512 at 20% rate of interest in 3 years, then find the principal on C.I.?
• Rs. 25200 is invested in 3 parts in such a way that Simple Interest on 1st Part at 4% per annum for 3 years, Simple Interest on 2nd part at 6% per annum fo...
• A man wants to invest Rs. 60660 in bank accounts of his two sons whose ages are 12 years and 16 years in such a way that they will get equal amount at an a...
• The difference between compound interest and simple interest on a sum for 2 years at 10% per annum, when the interest is compounded annually is Rs. 25. If ...
• The simple interest accrued in five years on a principal of Rs. 50,000 is one – tenth of the principal. What is the rate of simple interest p.a.? ...
• Shankar borrowed Rs. 7,200 at simple interest and repaid an amount of Rs. 9,504 after 7 years. If the interest rate p.a charged for first 4 years was 5% p....
• A sum of money lent at compound interest at the rate of 10% per annum is paid back in three equal instalments of Rs 3,993. Find the sum?
• A person invest some amount in a business into 2 parts. If he invest 1st part at 8% for 3 years and 2nd part invest at 7(1/2)% p.a. for 4 years. Total Simp...
• A Man deposited certain amount in the Bank at the end of each year. How much amount did he deposited at the end of each year at the rate of 15% simple Inte...
• Find the compound Interest on Rs. 8,000 @15 % p.a for 2 years 4 month Compounded annually?
• A man wants to invest Rs 20,220 in bank account of his two sons whose age were 12 years and 16 years in such a way that they will get equal amount at age o...
• Neil buys a Camera priced at 32000. He pays 8000 at once and the rest after 15 months on which he is charges a simple Interest at the rate of 18% per annum...
• John borrowed some money from Alex at 10% simple interest per annum. He lended this money to Shaun at 20% compound interest per annum, and made a profit of...
• A certain sum of money yields Rs. 3,310 as compound interest for 3 years at 10% per annum. The sum is (in rupees).