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Compound Interest Questions and Answers

Q1 :

Find the amount of Rs. 800 at compound interest in 2122frac{1}{2} years at 5 p.c.

A
  

Rs. 904.5

B
  

Rs. 805.5

C
  

Rs. 104.5

D
  

Rs. 804.5

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Q2 :

At what annual percent rate, the compound interest will Rs. 80,000 amout to Rs. 88,220 in 2 years?

A
  

5%

B
  

8%

C
  

10%

D
  

12%

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Q3 :

What principal will amount to Rs. 1352 in 2 years at 4 p.c. compound interest?

A
  

1250

B
  

1300

C
  

1350

D
  

1500

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Q4 :

Find rate percent at which compound interest does a sum of money become four fold in 2 years?

A
  

100%

B
  

10%

C
  

25%

D
  

50%

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Q5 :

Find the compound interest of Rs. 800 for 3 years at 5 p.c.

A
  

Rs. 126.10

B
  

Rs. 826.10

C
  

Rs. 820.10

D
  

Rs. 850.00

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Q6 :

If a sum of Rs. 10,000 is deposited for 1 year at 10% compounded half yearly, then the interest will be:

A
  

Rs. 1,000

B
  

Rs. 1,025

C
  

Rs. 975

D
  

Rs. 925

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Q7 :

In three years, a certain sum of money amounts to Rs. 9261 at 5% per annum compound interest. The sum is

A
  

Rs. 5,000

B
  

Rs. 60,000

C
  

Rs. 70,000

D
  

Rs. 8,000

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Q8 :

A sum of money amounts to Rs. 1000 in 10 years and to Rs. 1250 in 15 years. Find is sum.

A
  

Rs. 750

B
  

Rs. 400

C
  

Rs. 600

D
  

Rs. 500

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Q9 :

If PP be the principal amount and the rate of interest be rr% per annum and the compound interest is calculated kk times in a year, then what is the amount at the end of nn yr?

A
  

P(1+r100k)n/kPbigg( 1 + dfrac{r}{100k}bigg)^{n/k}

B
  

P(1+kr100)nkPbigg( 1 + dfrac{kr}{100}bigg)^{nk}

C
  

P(1+kr100)n/kPbigg( 1 + dfrac{kr}{100}bigg)^{n/k}

D
  

P(1+kr100k)n/kPbigg( 1 + dfrac{kr}{100k}bigg)^{n/k}

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Q10 :

A person borrowed ₹ 7500 at 16% compound interest. How much does he have to pay after end of 2 year to close the loan?

A
  

₹ 9900

B
  

₹ 10092

C
  

₹ 11000

D
  

₹ 11052

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Q11 :

At compound interest, if a certain sum of money doubles in nn yr, then the amount will be four fold in

A
  

2n2 yr 2n^2 text{ yr }

B
  

n2 yr n^2 text{ yr }

C
  

2n yr 2n text{ yr }

D
  

4n yr 4n text{ yr }

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Q12 :

The simple interest on a fix sum of money for 3 year at the rate of 8% per annual is half the compound interest on rupees 4000 for 2 year at rate of 10% per annual. What is the amount placed on simple interest?

A
  

₹ 1550

B
  

₹ 1650

C
  

₹ 1750

D
  

₹ 2000

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Q13 :

What is the difference between the simple interest and compound interest (compounded yearly) on ₹1250 for 2 years at an annual rate of 8%?

A
  

18

B
  

2

C
  

8

D
  

4

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Q14 :

A bank offers interest that is compounded on an annual basis. Raju deposited Rs. 100 and received Rs. 121 at the end of second year. Rate of compound interest per annually is

A
  

10%

B
  

12%

C
  

14%

D
  

16%

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