Simple Interest Questions

Find the difference between the compound and simple interest on a principal of $\text{Rs. }2,000$ for $3$ years at an annual interest rate of $10\%$.

The simple interest is $\text{Rs. }1$ less than the compound interest on a certain principal for a period of $2$ years at $10\%$ interest. Find the principal.

At the same rate of simple interest per annum, if a principal becomes the amount of Rs. $7100$ in $7$ years and of Rs. $6200$ in $4$ years, determine the principal amount.

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?

Simple interest on a sum for $18$ months at $14\%$ per annum is $\text{Rs }1365$. What is the value (in $\text{Rs}$) of the sum?

A sum becomes Rs 10000 in 10 years on simple interest at the rate of 10% per annum. What is the total interest (in Rs) of the 10 years?

The annual instalment (in ₹) to discharge a debt of ₹8,432 due in 4 years at 16% simple interest per annum is:

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?

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:

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.]

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?

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:

The difference between the simple interest on a sum of money for 3
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years at the rate of 12% per annum and simple interest on the same sum of money for 4
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years at 10% per annum is ₹360. Find the sum (in ₹).

What annual instalment will discharge a debt of ₹ 10,192 due in 3 years at 10% simple interest?

Find the simple interest on Rs. 3,500 at 10% p.a. for 7 years.

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.

₹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?

In how many years will Rs. 2,500 invested at the rate of 12% per annum, simple interest, amount to Rs. 3,700?

Find the simple interest (in ₹) on ₹9,900 at 9% per annum in 3 years.

A sum fetched a total simple interest of ₹ 1,350 at 9% p.a. in 5 years. What is the sum?

A shopkeeper lends $\text{₹ }6,000$ at $12\%$ per annum simple interest for $2$ years. What is the total amount he will receive at the end of the period?

A certain sum of money becomes three times of itself in 5
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years at a certain rate of simple interest. How much time will it take to become six times of itself at the same rate?

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?

A sum of ₹2,400 gives a simple interest of ₹378 in 2 years 4 months. What is the rate of interest per annum?

₹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?

A certain sum amounts to ₹12,456 in 3
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years at 8.5% p.a. simple interest. What will be the simple interest on the same sum in 6
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years at the same rate of interest?

The amount will triple in $25$ years on simple interest. Find the rate of interest.

Calculate the simple interest on $\text{₹}37,500$ at the rate of $2\%$ per annum for $4$ years.

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?

A man invested ₹$7,050$ for $5$ years at the rate of $8\%$ simple interest per annum. What will be two-third of the money (in ₹) that he will get on maturity?

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?

The difference between the interest compounded annually and the simple interest on a sum of ₹$31,250$ for $2$ years at $8\%$ per annum is:

What will be the interest earned on ₹ 1980 in five years @ 8% simple interest per annum?

The simple interest on a sum of money is
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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.

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?

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?

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.

What is the simple interest (in ₹) earned on ₹$12,400$ at $6\%$ per annum for $15$ months?

What sum of money will amount to ₹$7,830$ in $6$ years at the rate of $7.5\%$ per annum simple interest?

A person borrowed $\text{₹}1760$ at $6\%$ per annum and $\text{₹}2240$ at $9\%$ per annum at simple interest for the same period. He had to pay $\text{₹}1536$ in all as interest. Find the time (in years).

At what rate of simple interest can a sum of money become five times of itself in 16 years?

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 $5\%$ per annum at simple interest, then the first part (in ₹) is:

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 $0.08$ times the principal amount?

What annual installment will discharge a debt of ₹5,460 due in 5 years at 10% simple interest per annum?

Calculate the simple interest on ₹37,500 at the rate of $2\%$ per annum for 4 years.

At $12\%$ simple interest per annum, Sunitha lent $\text{Rs. }4,000$ to Rohan for $3\text{ years}$ and $\text{Rs. }5,000$ to Priyanka for $2\text{ years}$. Calculate the total interest Sunitha earned from both loans.

At what rate per annum will a sum of Rs. 15,800 become Rs. 21,488 after 18 months, at simple interest?

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:

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?

A certain sum, at a certain rate of simple interest, amounts to ₹$2,225$ in $4$ years and ₹$2,606$ in $8$ years. Find the amount (in ₹) of the initial sum (principal).

P borrows a sum of ₹$5,00,000$ from a bank which charges simple interest at $18\%$ per annum at the beginning of the year. He pays $11$ equal monthly installments of ₹$40,000$ and mortgages his bike at the end of the year to pay the remaining amount. What is the value of the pledged bike?

The simple interest on a sum of ₹$8,000$ for $2$ years is ₹$720$. What is the annual interest rate?

A sum of money becomes three times at $5\%$ per annum simple interest. At what rate $\%$ will it become six times in the same time?

A certain sum invested at simple interest amounts to Rs. 10,072 in 3
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years and to Rs. 11,552 in 6 years at the same rate per annum. The rate of interest p.a. is:

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?

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?

What would be the simple interest on a principal amount of Rs. 2 lakh for 3 years at a rate of 8% per annum?

$x$ invested at $9\%$ simple interest per annum for $7$ years yields the same interest as that on $y$ invested at $5.25\%$ simple interest per annum for $16$ years. Find $x:y$.

A person invested a sum of $\text{Rs. }25,000$ in two parts. First part at $10\%$ per annum simple interest and the rest at $12\%$ per annum simple interest. At the end of $2\text{ years}$, the total interest received was $\text{Rs. }5,640$. The difference (in $\text{Rs.}$) between the two parts of the sum is:

What would be the simple interest (in ₹) on a principal amount of ₹1 lakh for 2 years at the rate of 12 percent per annum?

A sum of ₹16,875 was lent out at simple interest, and at the end of 1 year 8 months, the total amount was ₹18,000. Find the rate of interest per annum.

At what time will the simple interest at the rate of $16\frac{2}{3}\%$ per annum be ${\frac{5}{6}}^{\text{th}}$ of the principal?

A sum of Rs. 600 amounts to Rs. 720 in 4 years by simple interest. What will be its amount if the rate of interest is increased by $2\%$?

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?

To buy a car, Sahil borrowed some amount at 10% simple interest rate. He has paid some loan amount but Rs. 1,81,500 is due which he has to pay in 3 years. What will be the annual installment (in Rs.)?

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:

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?

Find the simple interest when the principal amount is $\text{₹}12,800$, the rate of interest is $7\%$ per annum and the time period is $3$ years.

A sum of ₹1,250 is lent on simple interest at a rate of 5
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% per annum for three years. Find the interest (in ₹).

In how many years will a sum of money become sixteen times itself at 30% p.a. simple interest?

If the interest on money be 1 paisa per rupee per month, what is the rate per cent per annum?

The difference between simple interest and compound interest on ₹ 2500 at 4% per annum for two years is (in ₹ ):

The simple interest on a certain sum is $11\frac{1}{9}\%$ 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 ₹ $12600$ at the same rate for $2\frac{4}{5}$ years?

A sum of $\text{₹}6900$ was lent partly at $5\%$ and the rest at $8\%$ simple interest. The total interest received after $3$ years from both was $\text{₹}1359$. What was the ratio of money lent at $5\%$ and $8\%$?

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.

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)?

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:

A money lender finds that due to a fall in the annual rate of interest from 10% to 8
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%, his year's income diminishes by Rs. 84.50. Find his capital.

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.

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?

If the simple interest charged for 9 months be 0.12 times the money borrowed, what is the rate percent per year?

In what time will the simple interest be $2/5$ of the principal at $8\%$ per annum?