Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 131 · 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 ₹37700 at 4% per year for 1 year, compounded every year (in ₹).
2. 2.What amount will ₹7400 grow to in 1 year at 8% per year compound interest (in ₹)?
3. 3.What amount will ₹54200 grow to in 1 year at 10% per year compound interest (in ₹)?
4. 4.What amount will ₹10000 grow to in 2 years at 12% per year compound interest (in ₹)?
5. 5.A town has 40000 people. The population grows by 8% every year. What will the population be after 2 years?
6. 6.What is the difference between the compound interest and the simple interest on ₹10400 at 5% per year for 2 years (in ₹)?
7. 7.What is the difference between the compound interest and the simple interest on ₹58500 at 10% per year for 2 years (in ₹)?
8. 8.What is the difference between the compound interest and the simple interest on ₹15000 at 4% per year for 2 years (in ₹)?
9. 9.What amount will ₹4600 grow to in 1 year at 20% per year compound interest (in ₹)?
10. 10.What amount will ₹12500 grow to in 2 years at 8% per year compound interest (in ₹)?
11. 11.A scooter is worth ₹38200. Its value falls by 10% every year. What will it be worth after 2 years (in ₹)?
12. 12.What amount will ₹22000 grow to in 2 years at 5% per year compound interest (in ₹)?
13. 13.A town has 57900 people. The population grows by 12% every year. What will the population be after 1 year?
14. 14.What is the difference between the compound interest and the simple interest on ₹24800 at 5% per year for 2 years (in ₹)?
15. 15.What is the difference between the compound interest and the simple interest on ₹47400 at 20% per year for 2 years (in ₹)?
16. 16.What is the difference between the compound interest and the simple interest on ₹30000 at 8% per year for 2 years (in ₹)?
17. 17.Find the compound interest on ₹52400 at 10% per year for 1 year, compounded every year (in ₹).
18. 18.What amount will ₹22500 grow to in 1 year at 10% per year compound interest (in ₹)?
19. 19.Find the compound interest on ₹40000 at 5% per year for 3 years, compounded every year (in ₹).
20. 20.What is the difference between the compound interest and the simple interest on ₹51600 at 5% per year for 2 years (in ₹)?
21. 21.Find the compound interest on ₹42500 at 12% per year for 2 years, compounded every year (in ₹).
22. 22.Find the compound interest on ₹56000 at 15% per year for 3 years, compounded every year (in ₹).
23. 23.Find the compound interest on ₹41600 at 25% per year for 3 years, compounded every year (in ₹).
24. 24.What amount will ₹13700 grow to in 1 year at 20% per year compound interest (in ₹)?
25. 25.What is the difference between the compound interest and the simple interest on ₹33200 at 5% per year for 2 years (in ₹)?
26. 26.A town has 3000 people. The population grows by 4% every year. What will the population be after 1 year?
27. 27.A town has 29600 people. The population grows by 15% every year. What will the population be after 2 years?
28. 28.Find the compound interest on ₹15500 at 20% per year for 3 years, compounded every year (in ₹).
29. 29.Find the compound interest on ₹9200 at 5% per year for 2 years, compounded every year (in ₹).
30. 30.A town has 32400 people. The population grows by 25% every year. What will the population be after 2 years?
31. 31.Find the compound interest on ₹28500 at 20% per year for 2 years, compounded every year (in ₹).
32. 32.What is the difference between the compound interest and the simple interest on ₹28000 at 15% per year for 2 years (in ₹)?
33. 33.Find the compound interest on ₹5000 at 8% per year for 2 years, compounded every year (in ₹).
34. 34.What is the difference between the compound interest and the simple interest on ₹42800 at 5% per year for 2 years (in ₹)?
35. 35.What is the difference between the compound interest and the simple interest on ₹32500 at 4% per year for 2 years (in ₹)?
36. 36.What is the difference between the compound interest and the simple interest on ₹34400 at 5% per year for 2 years (in ₹)?
37. 37.Find the compound interest on ₹33700 at 4% per year for 1 year, compounded every year (in ₹).
38. 38.Find the compound interest on ₹48400 at 15% per year for 1 year, compounded every year (in ₹).
39. 39.Find the compound interest on ₹32000 at 15% per year for 3 years, compounded every year (in ₹).
40. 40.What amount will ₹34900 grow to in 2 years at 10% per year compound interest (in ₹)?

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets