Simple & Compound Interest
Are you preparing for campus placements, Banking, SSC, IAS, Insurance, Defence and other competitive exams? Then, make sure to take some time in practicing the Simple & Compound Interest questions and answer in Quantitative Aptitude. Moreover, only those questions are included that are relevant and likely to be asked in any competitive exam. So, take these questions and answer, brush up your skills and practice to stay fully prepared for any your exam.

Q1.On compound interest a Principal amounts to Rs.15625 in three years at 25%. What is the principal amount?
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Q2.What should be the simple interest obtained on an amount of Rs.6780 at the rate of 5% p.a. after 4 years?
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Q3.A money lender borrows money at 6 % per annum and pays the interest at the end of the year. He lends it at 8% per annum compounded half yearly and receives the interest at the end of the year. In this way, he gains Rs 691.2 a year. The amount of money he borrows is
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Q4.The principal which gives Re. 4 interest per day at a rate of 7.5 % simple interest per annum is :
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Q5.The population Himalayan Quail in a particular locality is decreases by a certain rate of interest (compounded annually). If the current population of Himalayan Quail be 58320 and the ratio of decrease in population for second year and 3rd year be 10: 9. What was the population of Himalayan Quail 3 years ago?
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Q6.Equal amounts of each Rs. 589542 are lent to two persons for 3 years. One @ 20% SI and second @ 20% CI annually. By how much per cent the CI is greater than the simple interest received in this 3 years duration?
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Q7.The difference between simple and compound interest on a principal amount for two years at a rate of 25% is Rs 1700. What is the principal amount?
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Q8.The difference between simple and compound interest on a principal amount for two years at a rate of 25% is Rs 1700. What is the principal amount?
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Q9.A person invests Rs 10000 at a simple interest of 8% and another amount at 5% interest simple interest to earn an interest after one year at a rate of 6% of the total amount invested. What is the total amount invested?
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Q10.A sum of Rs 400 went up to Rs 440 on a simple interest in 5 years. What is the total amount if the rate is raised by 2%?
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