Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 866 · 40 sums

The method (Grow it every year): Year by year: new amount = amount × (100 + R) ÷ 100. Amount after T years = P × (1 + R/100)ᵀ; compound interest = amount − P. A value falling by R% each year: × (100 − R) ÷ 100 every year. For 2 years, CI − SI = P × R × R ÷ 10000.

1. 1.Find the compound interest on ₹24800 at 15% per year for 2 years, compounded every year (in ₹).
2. 2.What is the difference between the compound interest and the simple interest on ₹7500 at 12% per year for 2 years (in ₹)?
3. 3.Find the compound interest on ₹12200 at 12% per year for 1 year, compounded every year (in ₹).
4. 4.What is the difference between the compound interest and the simple interest on ₹55000 at 4% per year for 2 years (in ₹)?
5. 5.A town has 11200 people. The population grows by 25% every year. What will the population be after 3 years?
6. 6.Find the compound interest on ₹57200 at 15% per year for 2 years, compounded every year (in ₹).
7. 7.Find the compound interest on ₹59000 at 12% per year for 1 year, compounded every year (in ₹).
8. 8.What is the difference between the compound interest and the simple interest on ₹33600 at 15% per year for 2 years (in ₹)?
9. 9.Find the compound interest on ₹13800 at 15% per year for 1 year, compounded every year (in ₹).
10. 10.What amount will ₹32500 grow to in 2 years at 8% per year compound interest (in ₹)?
11. 11.Find the compound interest on ₹12700 at 20% per year for 1 year, compounded every year (in ₹).
12. 12.What amount will ₹19600 grow to in 2 years at 5% per year compound interest (in ₹)?
13. 13.What amount will ₹5000 grow to in 2 years at 12% per year compound interest (in ₹)?
14. 14.What is the difference between the compound interest and the simple interest on ₹40000 at 8% per year for 2 years (in ₹)?
15. 15.What amount will ₹49600 grow to in 3 years at 25% per year compound interest (in ₹)?
16. 16.What is the difference between the compound interest and the simple interest on ₹12500 at 8% per year for 2 years (in ₹)?
17. 17.Find the compound interest on ₹30100 at 10% per year for 2 years, compounded every year (in ₹).
18. 18.What is the difference between the compound interest and the simple interest on ₹34700 at 10% per year for 2 years (in ₹)?
19. 19.What amount will ₹21400 grow to in 1 year at 15% per year compound interest (in ₹)?
20. 20.What amount will ₹20800 grow to in 1 year at 4% per year compound interest (in ₹)?
21. 21.Find the compound interest on ₹4800 at 5% per year for 2 years, compounded every year (in ₹).
22. 22.Find the compound interest on ₹29800 at 20% per year for 1 year, compounded every year (in ₹).
23. 23.A town has 47500 people. The population grows by 8% every year. What will the population be after 2 years?
24. 24.What is the difference between the compound interest and the simple interest on ₹2500 at 4% per year for 2 years (in ₹)?
25. 25.Find the compound interest on ₹58600 at 10% per year for 2 years, compounded every year (in ₹).
26. 26.What amount will ₹54400 grow to in 2 years at 15% per year compound interest (in ₹)?
27. 27.A town has 30800 people. The population grows by 5% every year. What will the population be after 2 years?
28. 28.What is the difference between the compound interest and the simple interest on ₹32500 at 12% per year for 2 years (in ₹)?
29. 29.What is the difference between the compound interest and the simple interest on ₹47500 at 8% per year for 2 years (in ₹)?
30. 30.A scooter is worth ₹26100. Its value falls by 4% every year. What will it be worth after 1 year (in ₹)?
31. 31.A scooter is worth ₹42000. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
32. 32.Find the compound interest on ₹60000 at 15% per year for 2 years, compounded every year (in ₹).
33. 33.A town has 31300 people. The population grows by 10% every year. What will the population be after 1 year?
34. 34.Find the compound interest on ₹11200 at 25% per year for 3 years, compounded every year (in ₹).
35. 35.A scooter is worth ₹7500. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
36. 36.What is the difference between the compound interest and the simple interest on ₹12500 at 10% per year for 2 years (in ₹)?
37. 37.Find the compound interest on ₹24400 at 8% per year for 1 year, compounded every year (in ₹).
38. 38.What amount will ₹53600 grow to in 2 years at 5% per year compound interest (in ₹)?
39. 39.What is the difference between the compound interest and the simple interest on ₹60000 at 4% per year for 2 years (in ₹)?
40. 40.What amount will ₹19200 grow to in 2 years at 25% per year compound interest (in ₹)?

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