**Simple
Interest Worksheet for Class 7**

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** **

**Simple
Interest Class 7 Worksheet 1**

** **

**1.
**Fill in the blanks.

Principal Rate % p.a. Time SI Amount

a.
Rs 1500 ________ 4^{1}/_{2}
years Rs 405 ________

b.
Rs 12800 4% ________ Rs 1024 ________

c.
________ 3^{1}/_{2}% 4 years Rs 105 ________

d.
Rs 600 4^{1}/_{2}% 5 years ________ ________

e. ________ 4% 3 years ________ Rs 392

**2.
**A sum of money doubles itself in 8 years when
invested at simple interest. Find the rate of interest. In what time will the same sum
triple itself at the same rate of simple interest?

**3.
**The simple interest on a certain sum for 4/3
years at 12% p.a. is Rs 280 less than the simple interest on the same sum for 3^{3}/_{4} years. at 8% p.a. Find the sum.

**4.
**Mohan wishes to invest some money so that he
can earn Rs 13600 per year as interest. If the rate of interest is 8.5% p.a.,
find the amount he must invest.

**5.
**In how many years will Rs 6200 amount to Rs
7517.50 at the rate of 4.25% p.a?

**6.
**A man on retiring received Rs 16,60,000 as
gratuity. He split this amount into two equal parts. One part he invested for 5
years at 8% and the other for 8 years at 10%. Find the difference of interest
earned.

**7.
**Find the interest earned on Rs 5080 at 4.5%
p.a., if it is invested from 30 June 2013 to 15 August 2013.

**8.
**A person invests Rs 12000 in a bank at 8% for
1 year, find the amount. The man invests this amount in another bank for 1 year
and if the bank pays interest at the rate of 8 12% p.a., find his total amount
at the end of second year.

**9.
**The simple interest on a certain sum of money
is 0.22 times the sum in 4 years. Find the rate of interest.

**10.
**Choose the correct option.

a.
The interest of Rs 600 at 4 12% in 1 year is

i.
Rs 30 ii. Rs 32 iii. Rs 27 iv. Rs 25

b.
The interest on Rs 9800 for 5 years 9 months at 4% p.a. is

i.
Rs 2525 ii. Rs 2254 iii.
Rs 2325 iv. Rs 2925

c.
The interest at the rate of 5% p.a. for 6 years is Rs 150 on a sum of

i.
Rs 800 ii. Rs 500 iii. Rs 600 iv. Rs 400

d.
Rs 16000 amounts Rs 16240 at the rate of 6% p.a. in

i.
4 months ii. 3 months iii. 6 months iv.
9 months

e.
The interest on Rs 6000 for 6 years at 5% p.a. is same as interest on Rs 5000
for 4 years at a rate of

i.
8% p.a. ii. 8.5% p.a. iii. 9% p.a. iv. 9.5%
p.a.

** **

**Simple
Interest Class 7 Worksheet 2**

** **

**1.
**Fill in the blanks.

Principal Rate (p.a.) Time SI Amount

a.
Rs 800 6% 9 months ________ ________

b.
Rs 3000 4.5% ________ Rs 540 ________

c.
________ 8% 3 years ________ Rs 2480

d.
Rs 275 ________ 2 years ________ Rs 308

**2.
**State whether the following statements are
true or false.

a. The interest
on Rs 5400 at 3^{1}/_{2}% for 8^{1}/_{2} years
is Rs 1606.50.

b.
Rs 6500 amounts to Rs 7767.50 at 6% p.a. in 3 years 3 months.

c.
The interest on Rs 4200 at 5.5% p.a. in 4 years is Rs 824.

d. The sum which earns an interest of
Rs 656.25 in 3 years 6 months at 7 12% p.a is Rs 240.

e.
Rs 16000 yields an interest of Rs 500 in 3 months 12.5% p.a.

**3. **A bank pays interest at the rate of 6% on a fixed deposit. Mohit
invested a certain sum of money for 7^{1}/_{2} years and
received Rs 5400 as interest. Find the amount invested.

**4.
**What is the rate if Rs 10000 amounts to Rs 12500
in 5 years?

**5. **A certain sum of money is invested in a bank fixed deposit at a
certain rate of interest. After 2 years, it amounts to Rs 6600 and after 3
years it amounts to Rs 6900. Find the amount invested.

**6. **Madan has Rs 43000. He divides it into two parts. One part he
invests for 3 years at 8% p.a. simple interest and the other part for 4^{1}/_{2}
years at 9% p.a. simple interest. If the simple interest in both cases is the
same, find the amount invested in each scheme.

**7. **Find the rate of interest if the interest on Rs 3600 is Rs 204
more than interest on Rs 3000 for the same period of 4 years.

**8.
**What is the simple interest on Rs 4600 for 30
months at the rate of 7^{1}/_{2}%?

**9.
**If Rs 5625 amounts to Rs 6930 in 2 years at simple
interest. Find the

a.
rate of interest.

b. amount he must invest so as to earn
an interest of Rs 3262.50 at the same rate in 5 years.

**10.
**Choose the correct option.

a.
The interest on Rs 7600 at 3% p.a. for 3 months amounts to

i.
Rs 7653 ii. Rs 7657 iii. Rs 7645 iv. Rs 7667

b. Rs 6000 borrowed on 30 June 2020 at
the rate of 6% p.a. and re-paid on 11th September 2020 amounts to

i.
Rs 6072 ii. Rs 6088 iii. Rs 6075 iv Rs 6090

c.
In 2^{1}/_{2} years at 7^{1}/_{2}% p.a. a sum
of money yields an interest of Rs 555. The sum is

i.
Rs 2000 ii. Rs 2800 iii. Rs 2960 iv. Rs 5000

d.
In what time will Rs 3440 amount to Rs 3612 at the rate of 7^{1}/_{2}%
p.a.?

i.
9 months ii. 8 months iii. 7 months iv. 6 months

e.
At what rate per cent will a sum of money treble itself in 10 years?

i. 30% ii. 25% iii. 10% iv. 5%

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