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Compound Interest Questions

Practice 121 Compound Interest questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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121
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2
Easy
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112
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7
Hard
Practice by Exam:Quantitative Aptitude(114)Mathematics(4)Quantitative Aptitude@NUM: 65(1)Quantitative Aptitude@NUM: 56(1)Quantitative Aptitude@NUM: 53(1)

About Compound Interest — practice questions, PYQs & concepts

Compound Interest is a frequently-tested topic on Quantitative Aptitude, Mathematics, Quantitative Aptitude@NUM: 65. ExamTest.live currently lists 121 Compound Interest questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Compound Interest weight in competitive exams

Across our Compound Interest question bank, the largest sources are Quantitative Aptitude (114), Mathematics (4), Quantitative Aptitude@NUM: 65 (1), Quantitative Aptitude@NUM: 56 (1) and Quantitative Aptitude@NUM: 53 (1). Click any exam chip above to drill down to that exam-specific question set.

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All Compound Interest Questions(1–100 of 121)

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Q1mediummcqQuantitative AptitudeStaff Selection Commission2026
0% accuracy
If the amount received at the end of the 2nd and 3rd year at Compound Interest on a certain Principal is Rs 28090 and Rs 29775.4 respectively, what is the rate of interest?
Q2mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
A woman invested in a private company fund, a total sum of Rs. 10,25,000 in the names of her son and daughter aged 13 years and 15 years, respectively, such that they get an equal amount when they are of 18 years. If the company gives 20% compound interest compounded annually, then how much money (in Rs., to the nearest whole number) should be deposited in the name of her son?
Q3mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
The simple interest on a certain sum for 4
2
1
​
years at 10% p.a. is 60% of the compound interest on a sum of Rs. 12,000 for 1 year at 10% p.a., interest compounded half yearly. The sum on which the simple interest is calculated is:
Q4mediummcqQuantitative AptitudeCompetitive Exam2026
25% accuracy
What will be the compound interest (in Rs., to the nearest rupee) on Rs. 17,600 for 2 years at 7% per annum, compounded annually?
Q5mediummcqQuantitative AptitudeSSC CGL2026
67% accuracy
₹21,000 is lent at compound interest of 10% p.a. for three years. Find the amount.
Q6mediummcqQuantitative AptitudeCompetitive Exam Practice2026
0% accuracy
A sum of money on compound interest amounts to Rs. 13,200 in 2 years and Rs. 14,520 in 3 years. What is the rate of interest per annum?
Q7mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
A doctor borrowed and he returned the money in two equal yearly instalments. If the annual rate of compound interest (compounded annually) is , then find the value of each instalment.
Q8mediummcqQuantitative AptitudeSSC CGL2026
0% accuracy
A bank offers 15% compound interest per half year. A customer deposits Rs 8800 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is __________.
Q9mediummcqQuantitative AptitudeSSC CGL2026
0% accuracy
The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Rs 144. The sum is:
Q10mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
A sum of money amounted to ₹ 720 in 2 years and ₹ 792 in 3 years when interest is compounded annually. The annual rate of interest, (in %) is:
Q11mediummcqQuantitative AptitudeSSC CGL2026
50% accuracy
The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 18% per annum is Rs 81. The sum is ________.
Q12mediummcqQuantitative AptitudeCompetitive Exam Practice Paper2026
0% accuracy
The simple interest on a certain sum of money for two years at is . Find the compound interest at the same rate after years, interest compounded annually.
Q13mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
Anil took some loan on simple interest at a certain rate and paid ₹12,800 as interest after 2 years. His friend Sumit also borrowed the same sum on compound interest for the same period and same rate of interest compounded annually and paid ₹704 more interest than that paid by Anil. What is the rate of interest per annum?
Q14mediummcqQuantitative AptitudeSSC CGL2026
100% accuracy
A bank offers 5% compound interest per half year. A customer deposits Rs. 6400 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is:
Q15mediummcqQuantitative AptitudeSSC CGL2026
0% accuracy
A bank offers 5% compound interest per half year. A customer deposits Rs 4800 each on 1
st
January and 1
st
July of a year. At the end of the year, the amount he would have gained by way of interest?
Q16mediummcqQuantitative AptitudeCompetitive Exam Practice2026
0% accuracy
A sum of money invested at compound interest amounts to ₹ in years and ₹ in years. Find the rate of interest per annum.
Q17mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
The compound interest on Rs. 12,000 for 9 months at per annum, interest being compounded quarterly is:
Q18hardmcqQuantitative AptitudeSSC Selection Post 2021 Matriculation Level2026
0% accuracy
What is the difference between the compound interest on a sum of ₹10,000 at 12% p.a. for 1
4
1
​
years when the interest is compounded annually and when the interest is compounded 5-monthly? (nearest to a ₹)
Q19mediummcqQuantitative AptitudeStaff Selection Commission2026
0% accuracy
On a certain Principal, if the Simple Interest for two years is and Compound Interest for the two years is , what is the rate of Interest?
Q20mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
Anil deposited Rs. 8,000 in a two-year fixed deposit scheme on compound interest compounded annually at 5% per annum. Find the maturity value of the fixed deposit.
Q21mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
The difference between the compound interest and the simple interest on a certain sum at 10% per annum for 2 years is ₹1,200. Find the sum.
Q22mediummcqQuantitative AptitudeSSC CGL2026
0% accuracy
An equal sum is invested in two different schemes. One scheme gives simple interest and the other gives compound interest (annual compounding). The sum of interest obtained after years from both schemes is ₹. If both schemes have a per annum interest rate, then what is the first-year interest (in ₹) of the simple interest scheme?
Q23mediummcqQuantitative AptitudeStaff Selection Commission2026
100% accuracy
What will be the compound interest of 2 years at the rate of 15% per annum compounded annually for an amount of Rs. 2,800?
Q24mediummcqMathematicsStaff Selection Commission2026
0% accuracy
The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 9% per annum is Rs 405. The sum is ____.
Q25mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
A loan of ₹2,550 is to be paid back in two equal half-yearly instalments. How much is each instalment if the interest is compounded half-yearly at 8% p.a.?
Q26mediummcqQuantitative AptitudeSSC CPO 20242026
0% accuracy
A sum of money doubles itself in years at compound interest. In how many years will the same sum become times at the same rate of interest?
Q27hardmcqQuantitative AptitudeSSC Selection Post 2021 Matriculation Level2026
0% accuracy
What will be the amount (in ₹) of a sum of ₹6,000 in 2
4
1
​
years at 13
3
1
​
% p.a. if the interest is compounded 9-monthly?
Q28mediummcqQuantitative Aptitude@NUM: 53SSC CGL2026
0% accuracy
On a certain principal if the Simple Interest for two years is and Compound Interest for the two years is , what is the rate of Interest?
Q29mediummcqQuantitative AptitudeSSC CGL2026
0% accuracy
Simple interest on a certain sum of money for 3 years at per annum is half the compound interest on Rs. 9000 for 2 years at per annum. The sum placed on simple interest is:
Q30mediummcqQuantitative AptitudeSSC CGL2026
0% accuracy
A certain sum amounts to Rs. 14,641 in 4 years at 10% p.a. when interest is compounded annually. What will be the amount of the same sum (in Rs.) in 3
5
2
​
years at the same rate at simple interest?
Q31mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
The compound interest on a certain sum of money for years at is . Then the sum is:
Q32mediummcqQuantitative AptitudeSSC Selection Post 2021 Matriculation Level2026
0% accuracy
A borrowed ₹58,000 from B at 8% per annum simple interest for 2 years. He lent the same sum to C at 10% per annum compound interest, compounded annually for 2 years. How much did he earn (in ₹) in the transaction at the end of 2 years?
Q33mediummcqQuantitative AptitudeSSC CGL2026
Simple interest on a certain sum of money for 3 years at 10% per annum is half the compound interest on Rs 6000 for 2 years at 10% per annum. The sum placed on simple interest is:
Q34mediummcqQuantitative AptitudeCompetitive Exam2026
Which of the following schemes of computing interest yields the maximum interest for a year?
Q35mediummcqQuantitative AptitudeCompetitive Exam2026
The compound interest on for months at per annum, interest being compounded quarterly is:
Q36mediummcqQuantitative AptitudeSSC CGL2026
A bank offers compound interest per half year. A customer deposits each on and of a year. At the end of the year, the amount he would have gained by way of interest is:
Q37mediummcqQuantitative AptitudeCompetitive Exam2026
What is the difference between the compound interest and simple interest (in ₹, to the nearest integer) on ₹12,000 in 2 years at 8% per annum, compounded annually?
Q38hardmcqQuantitative AptitudeSSC CGL2026
The compound interest on a sum of ₹ at p.a for years interest compounded yearly is:
Q39mediummcqQuantitative AptitudeCompetitive Exam2026
On a certain Principal if the Simple interest for two years is Rs 2600 and Compound interest for the two years is Rs 2769, what is the rate of Interest?
Q40mediummcqQuantitative AptitudeCompetitive Exams2026
What is the sum of money that becomes ₹4,840 at a 10% rate of compound interest (compounded annually) after two years?
Q41mediummcqQuantitative AptitudeCompetitive Exam2026
A sum of Rs. 10,000 amounts to Rs. 13,225 in 2 years at a certain rate percent per annum, when the interest is compounded annually. What will be the interest (in Rs.) on the same sum for the same time at the same rate, when the interest is compounded 8-monthly?
Q42mediummcqQuantitative AptitudeSSC CGL2026
There is 40% increase in an amount in 5 years at simple interest. What will be the compound interest of Rs. 25000 after 3 years at the same rate?
Q43mediummcqQuantitative AptitudeSSC CGL2026
A bank offers 15% compound interest per half year. A customer deposits Rs 2400 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is:
Q44hardmcqQuantitative AptitudeCompetitive Exam2026
A sum of money is paid back in two annual instalments of each, allowing compound interest compounded annually. The sum borrowed was:
Q45mediummcqQuantitative AptitudeSSC Selection Post 2021 Matriculation Level2026
The difference between the compound interest and simple interest on x at a rate of 8.5% per annum for 2 years is ₹260.10. What is the value of x?
Q46mediummcqQuantitative AptitudeCompetitive Exam2026
What will be the compound interest on a sum of ₹3,750 when interest is compounded semi-annually at 16% per annum for one year?
Q47mediummcqQuantitative AptitudeUP Police Constable2026
A woman borrowed ₹25,220 and she returned the money in three equal instalments after one, two and three years. If the rate of compound interest is , then find the value of each instalment.
Q48mediummcqQuantitative AptitudeUP Police Constable2026
Find the difference between the compound and simple interest on a principal of for years at an annual interest rate of .
Q49mediummcqQuantitative AptitudeCompetitive Exam2026
The difference between the compound interest (compounded yearly) and the simple interest for 2 years on a certain sum at 5% per annum is Rs. 25. The sum is:
Q50mediummcqQuantitative AptitudeCompetitive Exam2026
becomes in years. At what rate is the principal amount compounded annually?
Q51mediummcqQuantitative AptitudeSSC CGL2026
The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 5% per annum is Rs 45. The sum is ________.
Q52mediummcqQuantitative AptitudeCompetitive Exam2026
A sum of money lent on interest, compounded semi-annually amounts to ₹54,000 in one year and to ₹65,340 in two years. What is the rate of interest per annum?
Q53mediummcqQuantitative AptitudePractice Test2026
Riya invests ₹ in a savings account that offers an annual compound interest rate of , compounded yearly. How much money will she have in the account after years?
Q54mediummcqQuantitative AptitudeCompetitive Exam2026
Find the time for which compound interest of was generated on a principal of at an annual interest rate of .
Q55mediummcqQuantitative AptitudeSSC CGL2026
On a certain Principal if the Simple interest for two years is Rs 2400 and Compound interest for the two years is Rs 2544, what is the rate of Interest?
Q56hardmcqQuantitative Aptitude@NUM: 65Competitive Exam2026
What is the difference between the compound interest on ₹ at p.a. for years when the interest is compounded yearly and when compounded 8-monthly?
Q57mediummcqQuantitative AptitudeCompetitive Exam2026
The amount of money appreciates to ₹700 after 4 years and to ₹1000 after 8 years at a certain compound interest compounded annually. The initial amount of money was:
Q58mediummcqQuantitative AptitudeCompetitive Exams2026
A doctor borrowed and he returned the money in two equal yearly instalments. If the annual rate of compound interest (compounded annually) is , then find the value of each instalment.
Q59mediummcqQuantitative AptitudePractice Test2026
A sum of is invested at per annum and in a certain number of years, the total amount becomes . Find the compound interest earned.
Q60mediummcqQuantitative AptitudeSSC CGL2026
Two equal sums are invested in two different schemes. One scheme gives simple interest and the other gives compound interest (annual compounding). The sum of interest obtained after 2 years from both the schemes is ₹3717. If both schemes have a 13% per annum interest rate, then what is the first-year interest (in ₹) for the simple interest scheme?
Q61mediummcqMathematicsCompetitive Exams2026
The compound interest on at per annum is . The time period (in years) is:
Q62mediummcqQuantitative AptitudeCompetitive Exam2026
The compound interest on a certain sum of money for years at is . Then the sum is:
Q63mediummcqQuantitative AptitudeCompetitive Exam2026
The difference between simple interest and compound interest on ₹ 2500 at 4% per annum for two years is (in ₹ ):
Q64mediummcqQuantitative AptitudeStaff Selection Commission2026
Two equal sums are invested in two different schemes. One scheme gives simple interest and the other gives compound interest (annual compounding). The sum of interest obtained after 2 years from both schemes is Rs 3717. If both schemes have a 13% per annum interest rate, then what is the first-year interest (in Rs) for the simple interest scheme?
Q65mediummcqMathematicsCompetitive Exam2026
A sum becomes in years at per annum compound interest. Then the original sum is:
Q66easymcqQuantitative AptitudeSSC Selection Post 2021 Matriculation Level2026
The simple interest on a sum of money at 10% per annum for 2 years is ₹8,000. What will be the compound interest (in ₹) on the same sum for the same period at the same rate compounded annually?
Q67mediummcqMathematicsCompetitive Exams2026
What is the difference between the compound interests on for years at per annum compounded yearly and half-yearly?
Q68mediummcqQuantitative AptitudeUP Police Constable2026
An amount of \ 25,000 2 4\% 5\%$ per annum respectively, is:
Q69mediummcqQuantitative AptitudeCompetitive Exam2026
Ankur invested a sum of for four years in a financial scheme. The rate of interest in the scheme is per annum compounded yearly for the first two years and per annum for the 3rd and 4th years compounded yearly. What will be the cumulative compound interest at the end of 4 years?
Q70mediummcqQuantitative AptitudeCompetitive Exams2026
A sum of ₹53,240 is accumulated in 3 years at a 10% compound interest rate (compounded annually). What is the original principal amount?
Q71mediummcqQuantitative Aptitude@NUM: 56SSC CGL2026
The compound interest on a sum of for years at per annum, when the interest is compounded -monthly, is (nearest to a rupee):
Q72mediummcqQuantitative AptitudeSSC CGL2026
At what rate of compound interest per annum will a sum of ₹10000 become ₹12321 in 2 years?
Q73mediummcqQuantitative AptitudeCompetitive Exam2026
A sum of money amounts to ₹16,800 in one year and to ₹17,472 in one and a half years on the basis of interest compounded semi-annually. What is the rate of interest per annum?
Q74mediummcqQuantitative AptitudeUP Police Constable2026
A sum of ₹3,000 amounts to ₹6,000 in two years at compound interest. The interest for four years is:
Q75mediummcqQuantitative AptitudePractice Test2026
If is invested at per annum compounded annually, what will be the total amount after ?
Q76mediummcqQuantitative AptitudeUP Police Constable2026
The simple interest is less than the compound interest on a certain principal for a period of years at interest. Find the principal.
Q77mediummcqQuantitative AptitudeCompetitive Exam2026
What is the difference (in ₹, to the nearest rupee) between the simple interest and compound interest on ₹24,500 in two years at the rate of 8% per annum? The compound interest is compounded annually.
Q78mediummcqQuantitative AptitudeCompetitive Exam2026
If a sum of money doubles itself at compound interest in years, in how many years will it become four times?
Q79mediummcqQuantitative AptitudeStaff Selection Commission2026
In how much time (in years) will ₹8,000 amount to ₹9,159.20 at 14% per annum interest compounded half yearly?
Q80mediummcqQuantitative AptitudeCompetitive Exam2026
A man gets a simple interest of on a certain principal at the rate of per annum in years. What compound interest will the man get on twice the principal in two years at the same rate?
Q81hardmcqQuantitative AptitudeSSC Selection Post 2021 Matriculation Level2026
A man borrowed money for years and paid back in two equal annual instalments of ₹ at compound interest, compounded annually. What was the sum (in ₹, to the nearest tens) borrowed?
Q82mediummcqQuantitative AptitudePractice Mock2026
The present population of a city is 60,000. If the rate of increase is 10% per year, find the population of the city after 2 years.
Q83mediummcqQuantitative AptitudeCompetitive Exam2026
The difference between the compound interest and the simple interest on Rs. X at 8.5% per annum for 2 years is Rs. 65.025. What is the value of X?
Q84mediummcqQuantitative AptitudeCompetitive Exam2026
The simple interest and compound interest of a certain sum of money for two years are and respectively. Then the rate of interest per annum is:
Q85mediummcqQuantitative AptitudePractice Test2026
What would be the interest accrued in two years if ₹ is invested @ interest compounded annually?
Q86hardmcqQuantitative AptitudeSSC Selection Post 2021 Matriculation Level2026
Ritu borrowed a sum of ₹ for years at p.a, interest compounded -monthly. The amount (in ₹) paid by her after years was:
Q87mediummcqQuantitative AptitudePractice Mock2026
A man invested a total of Rs. 16,50,000 in the names of his two daughters aged 15 years and 17 years, respectively, such that they get equal amounts when they are 20 years old. If the rate of interest is 25% per annum, compounded annually, then how much money (in Rs., to the nearest tens) should be deposited in the name of his younger daughter?
Q88mediummcqQuantitative AptitudeUP Police Constable2026
What would be the interest accrued in two years if is invested @ interest compounded annually?
Q89mediummcqQuantitative AptitudeCompetitive Exam2026
A sum of ₹ 1,000 becomes ₹ 1,144.90 in 2 years. At what rate is the interest compounded annually?
Q90mediummcqQuantitative AptitudePractice Test2026
A builder borrows ₹ to be paid back with compound interest at the rate of per annum by the end of in two equal yearly instalments. How much will each instalment be?
Q91mediummcqQuantitative AptitudeCompetitive Exams2026
The present price of a machine is . If the price of the machine increases by each year, the price of the machine after years will be
Q92mediummcqQuantitative AptitudePractice Test2026
Find the compound amount and compound interest for ₹ at interest per annum in .
Q93mediummcqQuantitative AptitudeCompetitive Exam2026
A sum becomes in years at per annum compound interest. Find the original sum.
Q94mediummcqQuantitative AptitudeCompetitive Exam2026
The compound interest on in years at per annum is:
Q95mediummcqQuantitative AptitudeSSC GD Constable2026
How much compound interest does Tarun have to pay on a loan of Rs. 8,50,000 at the rate of 5% p.a. over a period of two years in case of annual compounding?
Q96easymcqQuantitative AptitudeSSC Selection Post 2021 Matriculation Level2026
The difference between the interest compounded annually and the simple interest on a sum of ₹ for years at per annum is:
Q97mediummcqQuantitative AptitudeUP Police Constable Re-Exam2026
A sum of money is paid back in two annual instalments of each, allowing compound interest compounded annually. The sum borrowed was:
Q98mediummcqQuantitative AptitudeAdda2472026
The amount of money appreciates to after years and to after years at a certain compound interest compounded annually. The initial amount of money was:
Q99mediummcqQuantitative AptitudeCompetitive Exam2026
A sum of is invested at a compound interest rate of per annum. What will be the total amount after years?
Q100mediummcqQuantitative AptitudeStaff Selection Commission2026
Simple interest on a certain sum of money for 3 years at 14% per annum is half the compound interest on Rs 10000 for 2 years at 10% per annum. The sum placed on simple interest is:
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