Simple Interest

Q. At simple interest, a sum of money doubles itself in ten years. Find the number of years it will take to triple itself.

1. 20 years
2. 30 years
3. 24 years
4. 25 years

Q. A man takes a loan from a bank at the rate of 12% per annum simple interest. After three years, he pays the interest of ₹5, 400. Find the principal amount borrowed by him.

1. Rs. 15, 000
2. Rs. 16, 000
3. Rs. 12, 000
4. Rs. 14, 000

Q.

At what rate percent per annum will a sum of money double in $8$ years?

1. $12.5\%$

2. $13.5\%$

3. $14.5\%$

4. $11.5\%$

Q. Which of the below is abbreviated as p.c.p.a ?

1. Per cent per annum
2. Per century per automation
3. Per credit per annum
4. Per capita per annum

Q. Ravi takes a loan of Rs 10, 000 from a bank for a period of 1 year. The rate of interest is 10% per annum. Find the interest he has to pay at the end of a year.

1. ₹1000
2. ₹990
3. ₹100
4. ₹550

Q.

For principal of $Rs.5600,$ amount to be paid is $Rs.6720$ at $8\%$ rate of interest per annum. Find the time (in years).

1. $2.5$ years
2. $3$ years
3. $3.5$ years
4. $2$ years

Q. A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is:

1. Rs. 698
2. Rs. 600
3. Rs. 690
4. Rs. 700

Q. A man deposits ₹ 3000 in bank for 3 years which earns him an interest of 8%. What is the amount he gets after 1 year, 2 years and 3 years?

1. 3400, 4200, 3600
2. 3420, 3480, 3720
3. 3500, 3700, 3900
4. 5000, 5400, 5800

Q.

Find the simple interest on ₹20, 000 at $10\%$ rate per annum for $1$ year.

1. $\text{Rs.}5,000$

2. $\text{Rs.}10,000$

3. $\text{Rs.}15,000$

4. $\text{Rs.}30,000$

Q. The simple interest on a certain sum of money for 3 years at $6\%$ per annum is ₹ 432. Find the principal (in ₹).

1. 2400

Q.

Fill in the blanks to make the statement true: Interest on ₹ 3000 at 10% per annum for a period of 3 years is ________.

Q.

Calculate the simple interest if $P=Rs520,R=10paiseper100Rs.p.a.,T=3months$.

Q.

Simple Interest on a certain sum at $10\%$ per annum for $10$ years is ₹ 25, 000. Find the principal and amount.

1. Principal $=\text{Rs.}50,000$

2. Amount $=\text{Rs.}50,000$

3. Amount $=\text{Rs.}25,000$

4. Principal $=\text{Rs.}25,000$

Q.

In how many years will a sum of money triple itself if the rate of interest is $30\%$.

Q.

In what time $\text{Rs.}7500$ amount to $\text{Rs.}8625$.

If interest reckoned is $7\frac{1}{2}\%$ per annum.

Q. Devi deposited ₹ 10000 for 4 years at a rate of 6% p.a. Find the interest and amount Devi received.

1. 2, 400 and 12, 400
2. 2, 500 and 12, 500
3. 3, 000 and 13, 000
4. 2, 600 and 12, 600

Q. Express as percent:
$0.15$

Q.

Elenas aunt bought her a $\mathrm{\$}150$ savings bond when she was born.

When Elena is $20$ years old, the bond will have earned $105\mathrm{\%}$ in interest.

How much will the bond be worth when Elena is $20$ years old?

Q. Find the amount on a principal of ₹ 5000 at the rate of 11% simple interest per annum for a period of 1 year.

1. ₹ 5000
2. ₹ 5500
3. ₹ 6000
4. ₹ 5600

Q.

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

Q. Suraj takes a loan of ₹ 8, 000 to buy a used truck at the rate of 9 % simple interest per annum. Calculate the annual interest to be paid for the loan amount.

1. ₹800
2. ₹900
3. ₹720
4. ₹750

Q.

Find the simple interest on $Rs25000$ for $4years10monthsat\frac{5}{6}\%p.a.$

Q. Express the following natural number as percent :
$19.5$

Q. What sum of money will produce ₹28600 as interest in 1 year at 2.5% per year simple interest ?

1. ₹352000
2. ₹340000
3. 360500
4. 382000

Q. Find the simple interest when:
Principal = ₹ 12000, rate = 10 % p.a. and time = 1 year.

1. ₹ 1200
2. ₹ 1000
3. ₹ 960
4. ₹ 940

Q.

Find the time when $₹1250$ amounts to $₹1950$ at $16\%perannum$.

Q. What is the simple interest earned on a sum of ₹ 2000 at an interest rate of 5 % per annum for a period of 1 year?

1. ₹ 200
2. ₹ 1200
3. ₹ 120
4. ₹ 60

Q. Mr. A borrowed Rs. 10, 000 at rate of 11 p.c.p.a. Calculate the amount he returns after one year.

1. Rs. 1, 200
2. Rs. 1, 100
3. Rs. 12, 200
4. Rs. 11, 100

Q. Find the interest earned at the end of one year on a sum of ₹6800 at 12% simple ineterest per annum.

1. ₹3500
2. ₹3264
3. ₹3624
4. ₹3462

Q.

A certain sum of money will amount to $10000$ at the rate of $8\%perannum$ simple interest at the end of $5$ years. Find the money.