Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 674 · 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 ₹17800 grow to in 1 year at 12% per year compound interest (in ₹)?
2. 2.A scooter is worth ₹54000. Its value falls by 20% every year. What will it be worth after 3 years (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹35600 at 15% per year for 2 years (in ₹)?
4. 4.A town has 26700 people. The population grows by 25% every year. What will the population be after 1 year?
5. 5.Find the compound interest on ₹27000 at 20% per year for 3 years, compounded every year (in ₹).
6. 6.Find the compound interest on ₹32800 at 25% per year for 2 years, compounded every year (in ₹).
7. 7.What amount will ₹8000 grow to in 3 years at 20% per year compound interest (in ₹)?
8. 8.Find the compound interest on ₹7500 at 4% per year for 2 years, compounded every year (in ₹).
9. 9.What amount will ₹36300 grow to in 1 year at 5% per year compound interest (in ₹)?
10. 10.Find the compound interest on ₹40300 at 8% per year for 1 year, compounded every year (in ₹).
11. 11.What is the difference between the compound interest and the simple interest on ₹56200 at 20% per year for 2 years (in ₹)?
12. 12.Find the compound interest on ₹58500 at 20% per year for 3 years, compounded every year (in ₹).
13. 13.What is the difference between the compound interest and the simple interest on ₹60000 at 15% per year for 2 years (in ₹)?
14. 14.Find the compound interest on ₹46900 at 10% per year for 2 years, compounded every year (in ₹).
15. 15.What amount will ₹4300 grow to in 2 years at 20% per year compound interest (in ₹)?
16. 16.What is the difference between the compound interest and the simple interest on ₹11200 at 25% per year for 2 years (in ₹)?
17. 17.What is the difference between the compound interest and the simple interest on ₹12000 at 5% per year for 2 years (in ₹)?
18. 18.What is the difference between the compound interest and the simple interest on ₹53200 at 5% per year for 2 years (in ₹)?
19. 19.Find the compound interest on ₹32100 at 5% per year for 1 year, compounded every year (in ₹).
20. 20.What is the difference between the compound interest and the simple interest on ₹34400 at 25% per year for 2 years (in ₹)?
21. 21.Find the compound interest on ₹33300 at 20% per year for 1 year, compounded every year (in ₹).
22. 22.What is the difference between the compound interest and the simple interest on ₹42000 at 15% per year for 2 years (in ₹)?
23. 23.A scooter is worth ₹3900. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
24. 24.What is the difference between the compound interest and the simple interest on ₹5000 at 4% per year for 2 years (in ₹)?
25. 25.What is the difference between the compound interest and the simple interest on ₹20000 at 8% per year for 2 years (in ₹)?
26. 26.What amount will ₹10900 grow to in 1 year at 5% per year compound interest (in ₹)?
27. 27.A scooter is worth ₹47100. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
28. 28.Find the compound interest on ₹15600 at 25% per year for 1 year, compounded every year (in ₹).
29. 29.Find the compound interest on ₹21600 at 25% per year for 2 years, compounded every year (in ₹).
30. 30.A town has 20000 people. The population grows by 25% every year. What will the population be after 2 years?
31. 31.What amount will ₹41000 grow to in 2 years at 10% per year compound interest (in ₹)?
32. 32.What is the difference between the compound interest and the simple interest on ₹14300 at 10% per year for 2 years (in ₹)?
33. 33.What is the difference between the compound interest and the simple interest on ₹33000 at 10% per year for 2 years (in ₹)?
34. 34.A scooter is worth ₹24100. Its value falls by 25% every year. What will it be worth after 1 year (in ₹)?
35. 35.What is the difference between the compound interest and the simple interest on ₹30000 at 12% per year for 2 years (in ₹)?
36. 36.What amount will ₹55500 grow to in 3 years at 20% per year compound interest (in ₹)?
37. 37.A town has 55400 people. The population grows by 10% every year. What will the population be after 1 year?
38. 38.Find the compound interest on ₹30600 at 20% per year for 2 years, compounded every year (in ₹).
39. 39.What is the difference between the compound interest and the simple interest on ₹27100 at 20% per year for 2 years (in ₹)?
40. 40.What is the difference between the compound interest and the simple interest on ₹49200 at 5% per year for 2 years (in ₹)?

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