Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 742 · 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.A scooter is worth ₹11200. Its value falls by 25% every year. What will it be worth after 2 years (in ₹)?
2. 2.What is the difference between the compound interest and the simple interest on ₹47500 at 8% per year for 2 years (in ₹)?
3. 3.Find the compound interest on ₹30000 at 15% per year for 1 year, compounded every year (in ₹).
4. 4.What is the difference between the compound interest and the simple interest on ₹50000 at 12% per year for 2 years (in ₹)?
5. 5.Find the compound interest on ₹25400 at 4% per year for 1 year, compounded every year (in ₹).
6. 6.What amount will ₹44000 grow to in 2 years at 15% per year compound interest (in ₹)?
7. 7.What amount will ₹43700 grow to in 1 year at 5% per year compound interest (in ₹)?
8. 8.What is the difference between the compound interest and the simple interest on ₹9200 at 25% per year for 2 years (in ₹)?
9. 9.Find the compound interest on ₹35700 at 10% per year for 2 years, compounded every year (in ₹).
10. 10.Find the compound interest on ₹30000 at 25% per year for 2 years, compounded every year (in ₹).
11. 11.What amount will ₹22900 grow to in 2 years at 20% per year compound interest (in ₹)?
12. 12.What is the difference between the compound interest and the simple interest on ₹57200 at 25% per year for 2 years (in ₹)?
13. 13.What amount will ₹16000 grow to in 2 years at 5% per year compound interest (in ₹)?
14. 14.Find the compound interest on ₹44000 at 15% per year for 2 years, compounded every year (in ₹).
15. 15.Find the compound interest on ₹56000 at 5% per year for 3 years, compounded every year (in ₹).
16. 16.Find the compound interest on ₹43500 at 20% per year for 3 years, compounded every year (in ₹).
17. 17.A town has 27000 people. The population grows by 20% every year. What will the population be after 3 years?
18. 18.What amount will ₹6400 grow to in 2 years at 15% per year compound interest (in ₹)?
19. 19.What amount will ₹30500 grow to in 3 years at 20% per year compound interest (in ₹)?
20. 20.Find the compound interest on ₹10500 at 20% per year for 3 years, compounded every year (in ₹).
21. 21.What is the difference between the compound interest and the simple interest on ₹10000 at 15% per year for 2 years (in ₹)?
22. 22.A town has 56000 people. The population grows by 5% every year. What will the population be after 3 years?
23. 23.Find the compound interest on ₹26000 at 25% per year for 1 year, compounded every year (in ₹).
24. 24.What amount will ₹15900 grow to in 1 year at 25% per year compound interest (in ₹)?
25. 25.Find the compound interest on ₹42500 at 8% per year for 2 years, compounded every year (in ₹).
26. 26.What amount will ₹27000 grow to in 3 years at 10% per year compound interest (in ₹)?
27. 27.What is the difference between the compound interest and the simple interest on ₹32000 at 5% per year for 2 years (in ₹)?
28. 28.What is the difference between the compound interest and the simple interest on ₹3100 at 10% per year for 2 years (in ₹)?
29. 29.A scooter is worth ₹42200. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
30. 30.Find the compound interest on ₹40100 at 15% per year for 1 year, compounded every year (in ₹).
31. 31.A scooter is worth ₹5000. Its value falls by 10% every year. What will it be worth after 3 years (in ₹)?
32. 32.What amount will ₹36800 grow to in 3 years at 25% per year compound interest (in ₹)?
33. 33.Find the compound interest on ₹55200 at 15% per year for 1 year, compounded every year (in ₹).
34. 34.Find the compound interest on ₹47100 at 20% per year for 1 year, compounded every year (in ₹).
35. 35.Find the compound interest on ₹52500 at 12% per year for 2 years, compounded every year (in ₹).
36. 36.A town has 30300 people. The population grows by 15% every year. What will the population be after 1 year?
37. 37.Find the compound interest on ₹48000 at 5% per year for 3 years, compounded every year (in ₹).
38. 38.Find the compound interest on ₹35500 at 20% per year for 3 years, compounded every year (in ₹).
39. 39.What is the difference between the compound interest and the simple interest on ₹49600 at 20% per year for 2 years (in ₹)?
40. 40.What amount will ₹57500 grow to in 2 years at 8% per year compound interest (in ₹)?

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