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Simple Interest Questions

Practice 73 Simple 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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73
Total Questions
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8
Easy
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64
Medium
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1
Hard
Practice by Exam:Quantitative Aptitude(68)Mathematics(1)Numerical Ability(1)Quantitative Aptitude@NUM: 52(1)Quantitative Aptitude@NUM: 59(1)Quantitative Aptitude@NUM: 53(1)

About Simple Interest — practice questions, PYQs & concepts

Simple Interest is a frequently-tested topic on Quantitative Aptitude, Mathematics, Numerical Ability. ExamTest.live currently lists 73 Simple 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.

Simple Interest weight in competitive exams

Across our Simple Interest question bank, the largest sources are Quantitative Aptitude (68), Mathematics (1), Numerical Ability (1), Quantitative Aptitude@NUM: 52 (1) and Quantitative Aptitude@NUM: 59 (1). Click any exam chip above to drill down to that exam-specific question set.

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  • Start easy: 8 easy Simple Interest questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
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All Simple Interest Questions(1–73 of 73)

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Q1mediummcqQuantitative AptitudeSSC Selection Post 2021 Matriculation Level2026
7% accuracy
The simple interest on a certain sum is of the sum in years at a certain rate per cent p.a. What will be the interest (in ₹) on a sum of ₹ at the same rate in years at simple interest?
Q2mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
A sum of ₹5,575 is invested at the rate of 8% simple interest per annum for 4 years. What will be the interest (in ₹) payable on maturity?
Q3mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
A sum of money becomes four times in years at simple interest. Find the rate of interest.
Q4mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
lends to at the rate of per annum on simple interest. After years, returned and a watch to settle the dues. Find the price of the watch.
Q5mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
How much time will it take for an amount of ₹ 360 to yield ₹ 72 as interest at 5% p.a. of simple interest?
Q6mediummcqQuantitative AptitudeCompetitive Exam2026
50% accuracy
In how much time will an amount be doubled at the rate of ?
Q7mediummcqQuantitative 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.
Q8mediummcqQuantitative AptitudeCompetitive Exam Practice Paper2026
0% accuracy
The simple interest on at the rate of per annum from 12-02-2022 to 11-02-2023 is :
Q9mediummcqQuantitative AptitudeCompetitive Exam 20262026
0% accuracy
An amount will be triple itself in 15 years at a certain rate of simple interest per annum. The rate of interest per annum is:
Q10mediummcqQuantitative AptitudeSSC CGL2026
0% accuracy
Suresh invested a certain sum of money at 5% per annum simple interest. If he receives an interest of ₹69,687 after 15 years, the sum (in ₹) he invested is:
Q11mediummcqQuantitative AptitudeCompetitive Exam Practice2026
0% accuracy
Find the principal amount when the Simple Interest (S.I.) is ₹ , the rate of interest is per annum, and the time is .
Q12mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
If a certain sum of money at 5% per annum simple interest amounts to ₹810 in 2
2
1
​
years, then the certain sum is:
Q13mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
Manoj earned ₹6,075 as simple interest on a certain sum at 9% per annum after 5 years. Find the sum invested by him.
Q14hardmcqQuantitative 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 ₹)
Q15mediummcqQuantitative 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?
Q16easymcqQuantitative AptitudeSSC CGL2026
0% accuracy
In what duration (in years) will ₹ amount to ₹ at simple interest per annum?
Q17mediummcqQuantitative AptitudePrepp2026
0% accuracy
A person borrowed ₹ at a simple interest rate of per annum and ₹ at a simple interest rate of per annum for the same time period. He had to pay a total of ₹ as interest. Find the time period (in years).
Q18mediummcqQuantitative AptitudeSSC Selection Post 20212026
0% accuracy
The amount of a certain sum at simple interest at 12.5% p.a. in 5 years is ₹1,725 more than the simple interest on the same sum at the same rate in 10 years. The sum (in ₹) is:
Q19mediummcqQuantitative AptitudeSSC Selection Post 20212026
0% accuracy
The amount of a certain sum at simple interest at 8% per annum in 7
2
1
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years is ₹3,000 less than twice the sum. The sum (in ₹) is:
Q20mediummcqQuantitative AptitudeSSC Selection Post 20212026
0% accuracy
A certain sum amounts to ₹15,179 in 8
2
1
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years at 9% p.a. simple interest. What will be the simple interest (in ₹) on the same sum in 5
2
1
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years at the same rate of interest?
Q21mediummcqQuantitative AptitudeSSC Selection Post 2018 Higher Secondary Level2026
0% accuracy
A 10,000 रुपये की धनरा शि 5% प्रति वर्ष के सा धा रण ब्या ज पर एक वर्ष के लि ए B को ऋण देता है। B के द्वा रा वा पस की गयी कुल धनरा शि क्या हो गी ?
Q22mediummcqQuantitative AptitudeSSC Selection Post 2018 Higher Secondary Level2026
0% accuracy
यदि 5000 रुपये की धनरा शि पर 2 वर्षों में 500 रुपये सा धा रण ब्या ज प्रा प्त हो ता है, तब सा धा रण ब्या ज की दर क्या है?
Q23mediummcqQuantitative AptitudeCompetitive Exam Practice2026
0% accuracy
Kumar lent an amount to Arif at a simple interest rate of p.a. for years, and Arif lent this amount to Naresh at a simple interest rate of p.a. for years. If the interest Arif received was ₹ after years, then what was the amount that Kumar had lent to Arif?
Q24mediummcqQuantitative AptitudeSSC Competitive Exams2026
In how many years will Rs. 2,500 invested at the rate of 12% per annum, simple interest, amount to Rs. 3,700?
Q25mediummcqQuantitative AptitudeSSC Competitive Exams2026
A man has to discharge a debt of ₹15,600 which is due in 3 years at 4% simple interest per annum. If he pays this amount in equal instalments of annual payment, find the amount for annual payment.
Q26mediummcqQuantitative AptitudeSSC Competitive Exams2026
The annual instalment (in ₹) to discharge a debt of ₹8,432 due in 4 years at 16% simple interest per annum is:
Q27easymcqQuantitative AptitudeSSC CGL2026
Find the simple interest (in ₹) on ₹9,900 at 9% per annum in 3 years.
Q28mediummcqQuantitative AptitudeCompetitive Exam2026
A sum fetched a total simple interest of ₹ 1,350 at 9% p.a. in 5 years. What is the sum?
Q29mediummcqQuantitative AptitudePractice Mock2026
Find the simple interest on Rs. 3,500 at 10% p.a. for 7 years.
Q30mediummcqQuantitative AptitudeCompetitive Exam2026
A borrows ₹20,000 from B and C. B lends him a certain sum of money at 25% simple interest per annum, while C lends him the remaining sum of money at 21% simple interest per annum. The total interest paid by A in one year is ₹4,500. The sum (in ₹) borrowed from B is:
Q31mediummcqQuantitative AptitudeCompetitive Exam2026
A shopkeeper lends at per annum simple interest for years. What is the total amount he will receive at the end of the period?
Q32mediummcqQuantitative AptitudeCompetitive Exam2026
A man borrowed Rs. 24,000 and Rs. 30,000 at 5% and 9% per annum simple interest, respectively. What amount (in Rs.) will he have to return after 8 years?
Q33mediummcqQuantitative AptitudeCompetitive Exam2026
A certain sum of money becomes three times of itself in 5
2
1
​
years at a certain rate of simple interest. How much time will it take to become six times of itself at the same rate?
Q34mediummcqQuantitative AptitudeCompetitive Exams2026
A sum of ₹2,400 gives a simple interest of ₹378 in 2 years 4 months. What is the rate of interest per annum?
Q35mediummcqQuantitative AptitudeCompetitive Exams2026
₹1,380 has to be paid after 4 years. If four equal instalments are required with a simple interest of 10% on each instalment, then what is the value of each instalment?
Q36mediummcqQuantitative AptitudeCompetitive Exams2026
Sanjana borrows ₹16,000 at 24% per annum simple interest and Savithri borrows ₹18,200 at 20% per annum simple interest. In how many years will their amounts of debts be equal?
Q37easymcqQuantitative AptitudeCompetitive Exam2026
On a deposit of ₹1,50,000, R gets ₹2,000 as interest on a simple rate of interest in a year. How much amount (in ₹) should he deposit to get an interest of ₹4,500?
Q38mediummcqQuantitative AptitudeCompetitive Exam2026
An annual instalment of ₹3,500 will discharge a debt of ₹16,310 due in 4 years at y% simple interest per annum. What is the value of y? [Note: Instalments will be paid at the end of Year 1, Year 2, Year 3 and Year 4.]
Q39mediummcqQuantitative AptitudeCompetitive Exam2026
Mr Gogia invested an amount of ₹13,900 divided into two different schemes A and B at the simple interest rate of 14%p.a. and 11%p.a., respectively. If the total amount of simple interest earned in 2 years is ₹3,508, what was the amount invested in scheme B?
Q40mediummcqQuantitative AptitudePractice Test2026
Find the simple interest when the principal amount is , the rate of interest is per annum and the time period is years.
Q41easymcqQuantitative AptitudeCompetitive Exam Practice2026
A sum of ₹1,250 is lent on simple interest at a rate of 5
2
1
​
% per annum for three years. Find the interest (in ₹).
Q42mediummcqQuantitative AptitudeCompetitive Exam2026
In how many years will a sum of money become sixteen times itself at 30% p.a. simple interest?
Q43mediummcqQuantitative AptitudeCompetitive Exam2026
If the interest on money be 1 paisa per rupee per month, what is the rate per cent per annum?
Q44mediummcqQuantitative AptitudeCompetitive Exam2026
The difference between simple interest and compound interest on ₹ 2500 at 4% per annum for two years is (in ₹ ):
Q45mediummcqQuantitative AptitudeSSC CGL2026
The simple interest on a certain sum is of the sum and the number of years is equal to the rate percent per annum. What will be the simple interest on a sum of ₹ at the same rate for years?
Q46mediummcqQuantitative Aptitude@NUM: 53SSC CGL2026
A sum of was lent partly at and the rest at simple interest. The total interest received after years from both was . What was the ratio of money lent at and ?
Q47mediummcqQuantitative AptitudeCompetitive Exam2026
A person borrowed at per annum and at per annum at simple interest for the same period. He had to pay in all as interest. Find the time (in years).
Q48mediummcqMathematicsCompetitive Exam2026
The amount will triple in years on simple interest. Find the rate of interest.
Q49easymcqQuantitative AptitudeAdda2472026
Calculate the simple interest on at the rate of per annum for years.
Q50mediummcqQuantitative 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?
Q51mediummcqQuantitative AptitudeSSC Selection Post 2021 Matriculation Level2026
A man invested ₹ for years at the rate of simple interest per annum. What will be two-third of the money (in ₹) that he will get on maturity?
Q52easymcqQuantitative 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?
Q53easymcqQuantitative 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:
Q54mediummcqNumerical AbilityUP Police Constable2026
What will be the interest earned on ₹ 1980 in five years @ 8% simple interest per annum?
Q55mediummcqQuantitative AptitudeCompetitive Exam2026
The simple interest on a sum of money is
45
9
​
of the sum. If the number of years is numerically 5 times of rate per cent per annum, then find the rate per cent per annum.
Q56mediummcqQuantitative 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?
Q57mediummcqQuantitative AptitudeCompetitive Exam2026
A certain sum amounts to ₹12,456 in 3
2
1
​
years at 8.5% p.a. simple interest. What will be the simple interest on the same sum in 6
4
1
​
years at the same rate of interest?
Q58mediummcqQuantitative 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.
Q59mediummcqQuantitative Aptitude@NUM: 52Competitive Exam2026
What sum of money will amount to ₹ in years at the rate of per annum simple interest?
Q60mediummcqQuantitative Aptitude@NUM: 59Competitive Exam2026
What is the simple interest (in ₹) earned on ₹ at per annum for months?
Q61mediummcqQuantitative AptitudePrepp2026
What annual instalment will discharge a debt of ₹ 10,192 due in 3 years at 10% simple interest?
Q62easymcqQuantitative AptitudeSSC CGL2026
Find the simple interest on ₹15,000 at the rate of 7% p.a. for 3 years.
Q63mediummcqQuantitative AptitudeCompetitive Exam2026
If a sum of ₹7,13,700 is divided into 3 parts so that their amounts after 2, 3 and 4 years, respectively, be equal, the rate of interest being per annum at simple interest, then the first part (in ₹) is:
Q64mediummcqQuantitative AptitudeCompetitive Exam2026
At what rate of simple interest per annum (correct to one decimal place) is the interest earned for 11 months on a certain sum of money times the principal amount?
Q65mediummcqQuantitative AptitudeCompetitive Exam2026
At what rate of simple interest can a sum of money become five times of itself in 16 years?
Q66mediummcqQuantitative AptitudeCompetitive Exam2026
What equal instalment of annual payment (in ₹) will discharge a debt that is due as ₹624 at the end of 5 years at 2% per annum simple interest?
Q67mediummcqQuantitative AptitudeCompetitive Exam2026
₹50,000 is deposited in a bank account. There was already some money in the account. Now the bank gives ₹7,500 as simple interest in a year. The rate of simple interest is 4.5% per annum. How much money (in ₹) was already there in the account?
Q68mediummcqQuantitative AptitudeCompetitive Exam2026
What annual installment will discharge a debt of ₹5,460 due in 5 years at 10% simple interest per annum?
Q69mediummcqQuantitative AptitudeCompetitive Exam2026
A sum of money becomes three times at per annum simple interest. At what rate will it become six times in the same time?
Q70mediummcqQuantitative AptitudeCompetitive Exam2026
The amount of debt that will be discharged by 5 equal monthly instalments of ₹1,845 each, at the rate of 48% simple interest per annum, is:
Q71mediummcqQuantitative AptitudeCompetitive Exam2026
A bank gives simple interest at the rate of 4.5% per annum. How much money (in ₹) should a person deposit to get ₹7,500 as interest every year?
Q72mediummcqQuantitative AptitudeCompetitive Exam2026
Manish invested a certain sum of money at 10% per annum simple interest. If he receives an interest of ₹72780 after 1 year, the sum (in ₹) he invested is:
Q73mediummcqQuantitative AptitudeStaff Selection Commission2026
The difference between the simple interest on a sum of money for 3
2
1
​
years at the rate of 12% per annum and simple interest on the same sum of money for 4
2
1
​
years at 10% per annum is ₹360. Find the sum (in ₹).

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Simple Interest questions are commonly asked in Quantitative Aptitude, Mathematics, Numerical Ability, Quantitative Aptitude@NUM: 52, Quantitative Aptitude@NUM: 59. You can filter by exam using the links above.
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Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.