Class 8 - Compound Interest Worksheet - 1

1. Find the simple interest and amount on Rs. 3000 at 7% per annum for 3 years.

2. What sum of money will yield Rs. 210 as simple interest in 2 years 4 months at 5% per annum?

3. Find the rate of interest when Rs. 750 fetches Rs. 150 as a simple interest in 2 years.

4. When simple interest on Rs 3 lakhs at 6% per annum is Rs. 6000, then find the time.

5. Find the sum of money when simple interest at 11% per annum for 2 years is Rs. 3300.

6. Find the sum of money when the final amount is Rs. 42000 at 5% per annum for 5years.

7. How long will it take a certain sum of money to 4 times of itself at 12¹⁄₂ % per annum simple interest?

8. At a certain rate of simple interest Rs. 3050 amounts to Rs. 3576 in 2 years. At the same rate of simple interest, how much would Rs. 50,000 amount to in 3 years?

9. What sum of money invested at 5% per annum simple interest for 2 years produces twice as much interest as Rs. 8500 in 3 years at 7% per annum simple interest?

10. Calculate the compound interest on Rs. 7200 at 12% per annum for two years.

11. Sobha borrowed from bank a sum of Rs. 2000 to purchase a machine. If the rate of interest is 5% per annum, what is the compound interest that she has to pay after 2 years?

12. Nitin invests Rs. 14000 for 2years at 5% per annum. Calculate the amount and the compound interest that he will get after 2 years.

13. A investor invests Rs. 50,000 at 5% per annum compound interest for 3 years. Calculate

(i) The interest for the first year

(ii) The amount for his credit at the end of second year

(iii) The interest for the third year

14. At what percent per annum compound interest for Rs. 15,625 amounts to Rs. 21,952 in 3 years?

15. Calculate the amount and the compound interest on Rs. 7000 in 2 years when the rate of interest for successive years is 5% and 4% respectively.

16. Calculate the difference between the compound interest and the simple interest on Rs. 25000 in 3 years at 5% per annum.

17. Calculate the amount and compound interest on Rs. 35000 for 3 years at 10% per annum compounded annually.

18. Sita borrowed Rs. 23,000 from a Bank to buy a scooter at a rate of 10% per annum compounded yearly. What amount will she pay at the end of 2 years and 3 months to clear the loan?

19. Shreyas borrowed Rs. 28000 from Raghav at 7% per annum simple interest for 2 years. If Shreyas had borrowed this sum at 7% per annum compound interest, what extra amount would he has to pay?

20. Ramesh borrowed Rs. 85000 from a bank. If the rate of interest is 10% per annum, find the amount he would be paying after 2¹⁄₃ years if the interest is compounded annually.

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Class VIII Math

Class 8 - Compound Interest Worksheet - 1

Class-8 Compound Interest Worksheets

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