Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 314 · 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.What amount will ₹59700 grow to in 1 year at 8% per year compound interest (in ₹)?
2. 2.Find the compound interest on ₹18800 at 5% per year for 2 years, compounded every year (in ₹).
3. 3.Find the compound interest on ₹47500 at 12% per year for 2 years, compounded every year (in ₹).
4. 4.What amount will ₹34200 grow to in 1 year at 10% per year compound interest (in ₹)?
5. 5.What is the difference between the compound interest and the simple interest on ₹52400 at 10% per year for 2 years (in ₹)?
6. 6.What amount will ₹58700 grow to in 2 years at 20% per year compound interest (in ₹)?
7. 7.What amount will ₹30000 grow to in 2 years at 12% per year compound interest (in ₹)?
8. 8.What amount will ₹42500 grow to in 2 years at 8% per year compound interest (in ₹)?
9. 9.What is the difference between the compound interest and the simple interest on ₹51400 at 20% per year for 2 years (in ₹)?
10. 10.What is the difference between the compound interest and the simple interest on ₹20800 at 25% per year for 2 years (in ₹)?
11. 11.A town has 55900 people. The population grows by 10% every year. What will the population be after 2 years?
12. 12.What amount will ₹33400 grow to in 1 year at 15% per year compound interest (in ₹)?
13. 13.What is the difference between the compound interest and the simple interest on ₹60000 at 12% per year for 2 years (in ₹)?
14. 14.What is the difference between the compound interest and the simple interest on ₹34300 at 20% per year for 2 years (in ₹)?
15. 15.Find the compound interest on ₹6000 at 10% per year for 3 years, compounded every year (in ₹).
16. 16.What amount will ₹52500 grow to in 2 years at 12% per year compound interest (in ₹)?
17. 17.Find the compound interest on ₹52400 at 25% per year for 1 year, compounded every year (in ₹).
18. 18.What amount will ₹17700 grow to in 1 year at 10% per year compound interest (in ₹)?
19. 19.What is the difference between the compound interest and the simple interest on ₹20000 at 4% per year for 2 years (in ₹)?
20. 20.A town has 39000 people. The population grows by 8% every year. What will the population be after 1 year?
21. 21.What is the difference between the compound interest and the simple interest on ₹32400 at 5% per year for 2 years (in ₹)?
22. 22.What is the difference between the compound interest and the simple interest on ₹50800 at 15% per year for 2 years (in ₹)?
23. 23.What is the difference between the compound interest and the simple interest on ₹59600 at 15% per year for 2 years (in ₹)?
24. 24.What is the difference between the compound interest and the simple interest on ₹27500 at 8% per year for 2 years (in ₹)?
25. 25.What amount will ₹59200 grow to in 1 year at 15% per year compound interest (in ₹)?
26. 26.What amount will ₹10000 grow to in 3 years at 10% per year compound interest (in ₹)?
27. 27.A scooter is worth ₹9200. Its value falls by 5% every year. What will it be worth after 2 years (in ₹)?
28. 28.What is the difference between the compound interest and the simple interest on ₹2500 at 4% per year for 2 years (in ₹)?
29. 29.Find the compound interest on ₹32400 at 15% per year for 2 years, compounded every year (in ₹).
30. 30.Find the compound interest on ₹12500 at 20% per year for 3 years, compounded every year (in ₹).
31. 31.What amount will ₹28000 grow to in 2 years at 25% per year compound interest (in ₹)?
32. 32.What is the difference between the compound interest and the simple interest on ₹27500 at 4% per year for 2 years (in ₹)?
33. 33.Find the compound interest on ₹52300 at 12% per year for 1 year, compounded every year (in ₹).
34. 34.Find the compound interest on ₹10000 at 25% per year for 2 years, compounded every year (in ₹).
35. 35.What is the difference between the compound interest and the simple interest on ₹40000 at 4% per year for 2 years (in ₹)?
36. 36.Find the compound interest on ₹17100 at 8% per year for 1 year, compounded every year (in ₹).
37. 37.Find the compound interest on ₹42200 at 4% per year for 1 year, compounded every year (in ₹).
38. 38.What is the difference between the compound interest and the simple interest on ₹60000 at 4% per year for 2 years (in ₹)?
39. 39.What amount will ₹14600 grow to in 1 year at 8% per year compound interest (in ₹)?
40. 40.Find the compound interest on ₹25700 at 25% per year for 1 year, compounded every year (in ₹).

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