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Simple Interest Questions

Practice 182 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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13
Easy
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168
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Practice by Exam:Quantitative Aptitude(171)Mathematics(5)Quantitative Aptitude@NUM: 53(2)Quantitative Aptitude@NUM: 52(1)Mathematics and Science(1)Numerical Ability(1)Quantitative Aptitude@NUM: 59(1)

About Simple Interest — practice questions, PYQs & concepts

Simple Interest is a frequently-tested topic on Quantitative Aptitude, Mathematics, Quantitative Aptitude@NUM: 53. ExamTest.live currently lists 182 Simple Interest questions spanning previous-year papers from 2018 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 (171), Mathematics (5), Quantitative Aptitude@NUM: 53 (2), Quantitative Aptitude@NUM: 52 (1) and Mathematics and Science (1). Click any exam chip above to drill down to that exam-specific question set.

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All Simple Interest Questions(1–100 of 182)

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Q1mediummcqQuantitative AptitudeSSC Selection Post 2021 Matriculation Level2026
14% 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
7% 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
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 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:
Q5mediummcqQuantitative 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:
Q6mediummcqQuantitative AptitudeCompetitive Exam Practice2026
33% 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?
Q7mediummcqQuantitative 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.
Q8mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
A sum of money becomes four times in years at simple interest. Find the rate of interest.
Q9mediummcqQuantitative 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.
Q10easymcqQuantitative AptitudeSSC CGL2026
50% accuracy
Find the simple interest on ₹15,000 at the rate of 7% p.a. for 3 years.
Q11mediummcqQuantitative AptitudeCompetitive Exam2026
50% accuracy
In how much time will an amount be doubled at the rate of ?
Q12mediummcqQuantitative 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?
Q13mediummcqQuantitative 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?
Q14mediummcqQuantitative 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 ________.
Q15mediummcqQuantitative 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:
Q16mediummcqQuantitative 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 :
Q17mediummcqQuantitative 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 ?
Q18mediummcqQuantitative 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?
Q19mediummcqMathematicsStaff 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 ____.
Q20mediummcqQuantitative 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:
Q21mediummcqQuantitative AptitudeSSC CGL2026
0% accuracy
Some part of Rs 9500 was lent at the rate of 15% per annum simple interest and the remaining part at the rate of 20% per annum simple interest. The total interest received after
2
3
​
years is Rs 2565. What is the ratio of money lent at the rate of 15% and 20%?
Q22mediummcqQuantitative AptitudeStaff Selection Commission2026
0% accuracy
A sum of money was put at simple interest at x% p.a. for 3 years. Had it been at (x+1)% p.a., it would have fetched Rs. 48 more. The sum (in Rs.) is:
Q23mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
At what rate of simple interest will a sum of ₹4,500 amount to ₹5,310 after 4 years?
Q24mediummcqQuantitative 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).
Q25easymcqQuantitative AptitudeSSC CGL2026
0% accuracy
In what duration (in years) will ₹ amount to ₹ at simple interest per annum?
Q26mediummcqQuantitative 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.
Q27hardmcqQuantitative 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 ₹)
Q28mediummcqQuantitative AptitudeSSC Selection Post 20212026
0% accuracy
A certain sum amounts to ₹15,179 in 8
2
1
​
years at 9% p.a. simple interest. What will be the simple interest (in ₹) on the same sum in 5
2
1
​
years at the same rate of interest?
Q29mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
The simple interest on will be less than the simple interest on 5\%$ per annum simple interest. Find the time taken in years.
Q30mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
A certain sum of money lent out at simple interest amounts in and in . Find the rate per cent per annum.
Q31mediummcqQuantitative AptitudeWBCS Prelims2026
0% accuracy
A sum of money kept in a bank amounts to in years and in years at same rate of simple interest. Find the sum.
Q32mediummcqQuantitative 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:
Q33mediummcqQuantitative 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.
Q34mediummcqQuantitative 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:
Q35mediummcqQuantitative 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 .
Q36mediummcqQuantitative 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?
Q37easymcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
What sum of money amounts to Rs. in years and to Rs. in years at a fixed rate of simple interest annually?
Q38mediummcqQuantitative AptitudeStaff Selection Commission2026
100% accuracy
In what time will a sum of Rs. 10,200 yield Rs. 13,005 as simple interest at the rate of 17% per annum?
Q39mediummcqQuantitative 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?
Q40mediummcqQuantitative 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?
Q41mediummcqQuantitative 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?
Q42easymcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
At what rate per annum will the simple interest on Rs. be Rs. in years?
Q43mediummcqQuantitative 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?
Q44mediummcqQuantitative AptitudeSSC Selection Post 20212026
0% accuracy
The amount of a certain sum at simple interest at 8% per annum in 7
2
1
​
years is ₹3,000 less than twice the sum. The sum (in ₹) is:
Q45mediummcqQuantitative 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:
Q46mediummcqQuantitative 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?
Q47mediummcqQuantitative AptitudePractice Test2026
Find the simple interest when the principal amount is , the rate of interest is per annum and the time period is years.
Q48mediummcqQuantitative AptitudeCompetitive Exam2026
In how many years will a sum of money become sixteen times itself at 30% p.a. simple interest?
Q49easymcqQuantitative 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?
Q50mediummcqQuantitative 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?
Q51mediummcqQuantitative AptitudeCompetitive Exam2026
The difference between simple interest and compound interest on ₹ 2500 at 4% per annum for two years is (in ₹ ):
Q52mediummcqQuantitative 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 ?
Q53mediummcqQuantitative 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:
Q54mediummcqQuantitative AptitudeCompetitive Exam2026
A bank gives ₹1,500 as simple interest in one year on an amount of ₹60,000. What is the annual rate of simple interest (in percentage)?
Q55mediummcqQuantitative AptitudeCompetitive Exam2026
A money lender finds that due to a fall in the annual rate of interest from 10% to 8
4
3
​
%, his year's income diminishes by Rs. 84.50. Find his capital.
Q56mediummcqQuantitative AptitudeCompetitive Exam2026
A sum was put at simple interest at a certain rate for 2 years. If it had been put at 4% higher rate, it would have fetched Rs. 480 more. Find the sum.
Q57mediummcqNumerical AbilityUP Police Constable2026
What will be the interest earned on ₹ 1980 in five years @ 8% simple interest per annum?
Q58mediummcqQuantitative 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?
Q59mediummcqQuantitative AptitudeCompetitive Exam2026
The simple interest on a certain sum of money at the rate of 7.5% p.a. for 8 years is Rs. 4,080. At what rate of interest can the same amount of interest be received on the same sum for 5 years?
Q60easymcqQuantitative 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?
Q61mediummcqQuantitative 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:
Q62mediummcqQuantitative 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?
Q63easymcqQuantitative 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 ₹).
Q64mediummcqQuantitative AptitudeCompetitive Exam2026
What annual installment will discharge a debt of ₹5,460 due in 5 years at 10% simple interest per annum?
Q65mediummcqQuantitative AptitudeCompetitive Exam2026
If the interest on money be 1 paisa per rupee per month, what is the rate per cent per annum?
Q66mediummcqQuantitative 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?
Q67mediummcqQuantitative 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?
Q68mediummcqQuantitative AptitudeCompetitive Exam2026
Find the amount of equal annual instalment, which will discharge a debt of Rs.40,376 due in 4 years at the rate of 2% p.a. simple interest.
Q69easymcqQuantitative 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:
Q70mediummcqQuantitative AptitudeCompetitive Exam2026
Rohan buys a bike priced at ₹95,000. He pays ₹25,000 at once and the rest after 18 months, on which he is charged a simple interest at the rate of 10% per annum. The total amount (in ₹) he pays for the bike is:
Q71mediummcqQuantitative 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.]
Q72mediummcqQuantitative AptitudeCompetitive Exam2026
If the simple interest charged for 9 months be 0.12 times the money borrowed, what is the rate percent per year?
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 ₹).
Q74mediummcqQuantitative AptitudeCompetitive Exam2026
A sum of money lent at simple interest amounts to Rs. 7,920 in 2 years and to Rs. 11,220 after 5 more years. What is the rate of interest per annum?
Q75mediummcqQuantitative 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:
Q76mediummcqQuantitative AptitudePractice Test2026
At simple interest per annum, Sunitha lent to Rohan for and to Priyanka for . Calculate the total interest Sunitha earned from both loans.
Q77mediummcqQuantitative AptitudeCompetitive Exam2026
At what rate per annum will a sum of Rs. 15,800 become Rs. 21,488 after 18 months, at simple interest?
Q78mediummcqQuantitative 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:
Q79mediummcqQuantitative AptitudeCompetitive Exam2026
A certain sum, at a certain rate of simple interest, amounts to ₹ in years and ₹ in years. Find the amount (in ₹) of the initial sum (principal).
Q80mediummcqQuantitative AptitudeCompetitive Exam2026
P borrows a sum of ₹ from a bank which charges simple interest at per annum at the beginning of the year. He pays equal monthly installments of ₹ and mortgages his bike at the end of the year to pay the remaining amount. What is the value of the pledged bike?
Q81mediummcqQuantitative AptitudeCompetitive Exam2026
The simple interest on a sum of ₹ for years is ₹. What is the annual interest rate?
Q82mediummcqQuantitative AptitudeCompetitive Exam2026
A worker borrowed some money on simple interest at the rate of 6% p. a. for the first 3 years, at the rate of 9% p. a. for the next 3 years, and at the rate of 14% p. a. for the period beyond 6 years. If he paid a total interest of Rs. 6,490 at the end of 7 years, how much money did he borrow?
Q83mediummcqQuantitative AptitudePrepp2026
What annual instalment will discharge a debt of ₹ 10,192 due in 3 years at 10% simple interest?
Q84mediummcqQuantitative AptitudeSSC CGL2026
A certain sum invested at simple interest amounts to Rs. 10,072 in 3
2
1
​
years and to Rs. 11,552 in 6 years at the same rate per annum. The rate of interest p.a. is:
Q85mediummcqQuantitative AptitudeCompetitive Exam2026
Calculate the simple interest on ₹37,500 at the rate of per annum for 4 years.
Q86mediummcqQuantitative AptitudePractice Mock2026
Find the simple interest on Rs. 3,500 at 10% p.a. for 7 years.
Q87mediummcqQuantitative AptitudeSSC CGL2026
A sum of Rs. 84,000 is deposited in a bank on simple interest at the rate of 15% for the period of 3 years. How much Simple Interest (in Rs.) will be received?
Q88mediummcqQuantitative 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.
Q89mediummcqQuantitative AptitudePractice Test2026
Calculate the simple interest earned on a principal of ₹ at an annual interest rate of over a period of years.
Q90mediummcqMathematicsCompetitive Exam2026
The amount will triple in years on simple interest. Find the rate of interest.
Q91mediummcqQuantitative AptitudeSSC CGL2026
What would be the simple interest on a principal amount of Rs. 2 lakh for 3 years at a rate of 8% per annum?
Q92mediummcqQuantitative 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.
Q93mediummcqQuantitative AptitudeUP Police Constable2026
invested at simple interest per annum for years yields the same interest as that on invested at simple interest per annum for years. Find .
Q94mediummcqQuantitative 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?
Q95mediummcqQuantitative 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:
Q96mediummcqQuantitative 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?
Q97mediummcqQuantitative 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?
Q98mediummcqQuantitative AptitudeSSC CGL2026
A person invested a sum of in two parts. First part at per annum simple interest and the rest at per annum simple interest. At the end of , the total interest received was . The difference (in ) between the two parts of the sum is:
Q99mediummcqQuantitative 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.
Q100easymcqQuantitative AptitudeSSC CGL2026
Find the simple interest (in ₹) on ₹9,900 at 9% per annum in 3 years.
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