Understanding Simple Interest

Q.

Find the amount to be paid at the end of $3$ years for $Rs.7,500$ at $5\%$ p.a.

1. Rs 8700
2. Rs 7625
3. Rs 8625
4. Rs 8500

Q.

A sum was invested at SI at a certain rate for 4 years. Had it been invested at $2\%$ higher rate, it would have fetched Rs. 56 more? Find the sum.

1. Rs. 500

2. Rs. 600

3. Rs. 700

4. Rs. 800

Q. The simple interest on a certain sum of money for 4 years at $12\%$ per annum is ₹600. Find the principal amount.

1. ₹1250
2. ₹1500
3. ₹800
4. ₹1200

Q.

David lent ₹27000 to Leo at 8% per annum. If Leo discharges the debt after 8 months by giving him a color television and ₹14200 cash, find the price of the television.

(Use simple interest).

1. ₹ 14200

2. ₹ 15200

3. ₹ 14500

4. ₹ 14240

Q.

How much time will it take for an amount of ₹ 450 to yield a simple interest of ₹ 81 at $4.5\%$ per annum ?

1. 4 years

2. 6 years

3. 3 years

4. 5 years

Q.

How much time will it take for an amount of ₹ 450 to yield an interest of ₹ 81 at 4.5% per annum simple interest?

1. 4 years

2. 3 years

3. 6 years

4. 5 years

Q. Lataben borrowed some money from a bank at a rate of $10p.c.p.a.$ interest for $2\frac{1}{2}$ years to start a cottage industry. If she paid $Rs.10,250$ as total interest, how money had she borrowed?

Q.

Find the principal when simple interest $16\%$ per annum for $2\frac{1}{2}years$ is $₹3840$.

Q. A sum of Rs. 12, 500 amounts to Rs. 15, 500 in 4 years at the rate of simple interest. What is the rate of interest ?

1. $5\%$
2. $3\%$
3. $6\%$
4. $4\%$

Q.

You put $\$550$ in an account that earns $4.4\%$ simple interest per year. How much interest do you earn in $6$ months?

1. $1.21

2. $12.10

3. $121.00

4. $145.20

Q. Ramesh deposited $Rs.7800$ in a bank which pays him $12\%$ p.a. What is amount which he receives after $3$ months.

Q.

How many years will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest?

__

Q.

$\text{In what time will the interest on a certain}\text{sum at 7.5\% simple interest be}\frac{3}{4}\text{times of itself?}$

1. 12 years

2. 8 years

3. 10 years

4. 14 years

Q.

The amount of loan to be paid back if the principal is Rs. 5000 at a 11% interest per annum for 3 years will be ________.

1. Rs. 6660

2. Rs. 6760

3. Rs. 6650

4. Rs. 6640

Q.

Mahibur paid an interest of Rs. 750 for 2 years on a sum of Rs. 4500 on simple interest. If the rate of interest is $x\frac{1}{3}$% p.a, then '$x$' is ___.

Q.

A principal of ₹ 40, 000 is deposited in a bank which offers a simple interest at a rate of 10% a year. What is the amount at the end of 2 years?

1. Rs.48000

2. Rs.44000

3. Rs.40000

4. Rs.48000

Q. You have deposited ₹ 1000.00 in the bank at the rate of 7% per annum simple interest. The amount at the end of 5 years = .

1. ₹ 1350
2. ₹ 350
3. ₹ 700
4. ₹ 1200

Q.

If Mathew wants to earn a simple interest of Rs. 500 by lending money to his friend at an interest of $10\%$ per annum for 5 years, how much money should he lend?

1. Rs. 1000

2. Rs. 500

3. Rs. 100

4. Rs. 5000

Q. Bhavna, Charu and Shikha invested Rs $3600$ for $7$ months, Rs $4300$ for $9$ months and Rs $4500$ for $6$ months respectively. What is the share of profit of Charu (in rupees) out of a total profit of Rs. $12,120$?

Q. Ram invests two sum of money $A$ and $B$ at $10\%$ p.a. and $20\%$ p.a respectively at CI for $2$ years. If the total interest on both the sum is Rs$5350$ then find the sum invested in $A$ if the total sum of $A$ and $B$ was Rs$20,000$?

Q. Sam invested a certain amount of money and got back an amount of Rs. $5000$. If the bank paid an interest of Rs. $2700$, find the amount Sam invested.

1. $1300$
2. $2300$
3. $4300$
4. $3300$

Q. State whether the statements are True or False.
$Rs.6400$ was lent to Feroz and Rashmi at $15\%$ per annum for $3\frac{1}{2}$ and $5$ years respectively. The difference in the interest paid by them is $Rs.150.$

1. True
2. False

Q. In how much time will a certain sum be $1.5$ times the principal at $10\%$ per annum?

1. $1$ year
   
2. $2$ year
   
3. $4$ year
4. $5$ year
   

Q. A man borrowed Rs.$500$ at a rate of 6% per annum. At the end of $3\frac{1}{2}$ years he paid back Rs. 350 and gave his radio for the balance amount. The price of the radio is

1. Rs. $350$
2. Rs. $255$
3. Rs.$250$
4. Rs.$300$

Q.

What is the rate per cent per annum if Rs 1600 amounts to Rs 1900 in 2.5 years?

1. 9.5%

2. 7.5%

3. 6.25%

4. 8%

Q.

Satyam took a loan of Rs. 5000 at 15% per year as rate of interest. The amount paid back by him at the end of the year is (in rupees) ___ .

Q.

At what rate of simple interest per annum will a sum double itself in 8 years?

1. $25\%$

2. $12.5\%$

3. $6.25\%$

4. $50\%$

Q. Rajni and Mohini deposited $Rs.3000$ and $Rs.4000$ in a company at the rate of $10\%$ per annum for 3 years and $2\frac{1}{2}$years respectively. The difference of the amounts received by them will be

1. $Rs.100$
2. $Rs.1000$
3. $Rs.900$
4. $Rs.1100$

Q. Find the simple interest and the amount when
Principal$=Rs.2650,rate=8\%p.a$ and $time=2\frac{1}{2}years$

Q. At simple interest rate of $4\frac{3}{4}$% per annum, how much time is needed for Rs. 432 to yield an interest of Rs.78.66?

1. 2 years 10 months
2. 3 years
3. 3 years and 10 months
4. 4 years
5. None of these