Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 497 · 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 is the difference between the compound interest and the simple interest on ₹49500 at 10% per year for 2 years (in ₹)?
2. 2.A town has 41600 people. The population grows by 25% every year. What will the population be after 3 years?
3. 3.What amount will ₹53200 grow to in 2 years at 25% per year compound interest (in ₹)?
4. 4.What amount will ₹13600 grow to in 1 year at 5% per year compound interest (in ₹)?
5. 5.A town has 20000 people. The population grows by 15% every year. What will the population be after 1 year?
6. 6.What amount will ₹16200 grow to in 1 year at 5% per year compound interest (in ₹)?
7. 7.A scooter is worth ₹30000. Its value falls by 25% every year. What will it be worth after 2 years (in ₹)?
8. 8.What is the difference between the compound interest and the simple interest on ₹45400 at 20% per year for 2 years (in ₹)?
9. 9.What is the difference between the compound interest and the simple interest on ₹56800 at 5% per year for 2 years (in ₹)?
10. 10.What amount will ₹42400 grow to in 2 years at 25% per year compound interest (in ₹)?
11. 11.What amount will ₹47500 grow to in 2 years at 12% per year compound interest (in ₹)?
12. 12.Find the compound interest on ₹56500 at 10% per year for 2 years, compounded every year (in ₹).
13. 13.Find the compound interest on ₹21500 at 10% per year for 1 year, compounded every year (in ₹).
14. 14.What is the difference between the compound interest and the simple interest on ₹22000 at 10% per year for 2 years (in ₹)?
15. 15.What is the difference between the compound interest and the simple interest on ₹14000 at 25% per year for 2 years (in ₹)?
16. 16.What amount will ₹13400 grow to in 1 year at 10% per year compound interest (in ₹)?
17. 17.Find the compound interest on ₹56000 at 5% per year for 3 years, compounded every year (in ₹).
18. 18.What is the difference between the compound interest and the simple interest on ₹28100 at 20% per year for 2 years (in ₹)?
19. 19.A scooter is worth ₹4000. Its value falls by 15% every year. What will it be worth after 2 years (in ₹)?
20. 20.Find the compound interest on ₹55700 at 4% per year for 1 year, compounded every year (in ₹).
21. 21.Find the compound interest on ₹31200 at 10% per year for 1 year, compounded every year (in ₹).
22. 22.Find the compound interest on ₹29200 at 25% per year for 2 years, compounded every year (in ₹).
23. 23.A town has 36300 people. The population grows by 8% every year. What will the population be after 1 year?
24. 24.Find the compound interest on ₹28800 at 15% per year for 2 years, compounded every year (in ₹).
25. 25.A town has 29000 people. The population grows by 10% every year. What will the population be after 1 year?
26. 26.Find the compound interest on ₹3600 at 15% per year for 2 years, compounded every year (in ₹).
27. 27.Find the compound interest on ₹40000 at 15% per year for 3 years, compounded every year (in ₹).
28. 28.A town has 7200 people. The population grows by 8% every year. What will the population be after 1 year?
29. 29.A town has 3700 people. The population grows by 4% every year. What will the population be after 1 year?
30. 30.What is the difference between the compound interest and the simple interest on ₹53400 at 10% per year for 2 years (in ₹)?
31. 31.A scooter is worth ₹60000. Its value falls by 12% every year. What will it be worth after 2 years (in ₹)?
32. 32.Find the compound interest on ₹18000 at 20% per year for 3 years, compounded every year (in ₹).
33. 33.A scooter is worth ₹40000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
34. 34.A scooter is worth ₹18600. Its value falls by 8% every year. What will it be worth after 1 year (in ₹)?
35. 35.Find the compound interest on ₹47900 at 10% per year for 2 years, compounded every year (in ₹).
36. 36.What is the difference between the compound interest and the simple interest on ₹2800 at 5% per year for 2 years (in ₹)?
37. 37.What is the difference between the compound interest and the simple interest on ₹29200 at 15% per year for 2 years (in ₹)?
38. 38.What is the difference between the compound interest and the simple interest on ₹38400 at 5% per year for 2 years (in ₹)?
39. 39.Find the compound interest on ₹2600 at 10% per year for 1 year, compounded every year (in ₹).
40. 40.What is the difference between the compound interest and the simple interest on ₹58000 at 5% per year for 2 years (in ₹)?

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