Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 810 · 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 ₹22500 at 4% per year for 2 years (in ₹)?
2. 2.What is the difference between the compound interest and the simple interest on ₹13600 at 5% per year for 2 years (in ₹)?
3. 3.Find the compound interest on ₹8000 at 15% per year for 3 years, compounded every year (in ₹).
4. 4.What amount will ₹9100 grow to in 1 year at 8% per year compound interest (in ₹)?
5. 5.Find the compound interest on ₹13800 at 10% per year for 2 years, compounded every year (in ₹).
6. 6.What amount will ₹10000 grow to in 2 years at 12% per year compound interest (in ₹)?
7. 7.A town has 3200 people. The population grows by 20% every year. What will the population be after 2 years?
8. 8.Find the compound interest on ₹45000 at 8% per year for 2 years, compounded every year (in ₹).
9. 9.What is the difference between the compound interest and the simple interest on ₹42500 at 8% per year for 2 years (in ₹)?
10. 10.What amount will ₹60000 grow to in 2 years at 4% per year compound interest (in ₹)?
11. 11.Find the compound interest on ₹49200 at 5% per year for 1 year, compounded every year (in ₹).
12. 12.What amount will ₹56000 grow to in 3 years at 15% per year compound interest (in ₹)?
13. 13.What amount will ₹22800 grow to in 2 years at 5% per year compound interest (in ₹)?
14. 14.A town has 39200 people. The population grows by 25% every year. What will the population be after 2 years?
15. 15.What is the difference between the compound interest and the simple interest on ₹34400 at 15% per year for 2 years (in ₹)?
16. 16.What amount will ₹45900 grow to in 1 year at 8% per year compound interest (in ₹)?
17. 17.What is the difference between the compound interest and the simple interest on ₹47500 at 8% per year for 2 years (in ₹)?
18. 18.A scooter is worth ₹28000. Its value falls by 20% every year. What will it be worth after 3 years (in ₹)?
19. 19.Find the compound interest on ₹26300 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 ₹13700 at 10% per year for 2 years (in ₹)?
21. 21.What is the difference between the compound interest and the simple interest on ₹23300 at 20% per year for 2 years (in ₹)?
22. 22.Find the compound interest on ₹41000 at 10% per year for 3 years, compounded every year (in ₹).
23. 23.What is the difference between the compound interest and the simple interest on ₹50000 at 8% per year for 2 years (in ₹)?
24. 24.What amount will ₹43600 grow to in 1 year at 4% per year compound interest (in ₹)?
25. 25.What amount will ₹24800 grow to in 2 years at 25% per year compound interest (in ₹)?
26. 26.What is the difference between the compound interest and the simple interest on ₹5000 at 20% per year for 2 years (in ₹)?
27. 27.Find the compound interest on ₹27500 at 8% per year for 2 years, compounded every year (in ₹).
28. 28.Find the compound interest on ₹40000 at 5% per year for 3 years, compounded every year (in ₹).
29. 29.A town has 39900 people. The population grows by 4% every year. What will the population be after 1 year?
30. 30.Find the compound interest on ₹34300 at 12% per year for 1 year, compounded every year (in ₹).
31. 31.A scooter is worth ₹31000. Its value falls by 10% every year. What will it be worth after 3 years (in ₹)?
32. 32.Find the compound interest on ₹47900 at 12% per year for 1 year, compounded every year (in ₹).
33. 33.Find the compound interest on ₹17500 at 12% per year for 1 year, compounded every year (in ₹).
34. 34.A town has 45000 people. The population grows by 8% every year. What will the population be after 2 years?
35. 35.What is the difference between the compound interest and the simple interest on ₹8800 at 5% per year for 2 years (in ₹)?
36. 36.A scooter is worth ₹49700. Its value falls by 10% every year. What will it be worth after 2 years (in ₹)?
37. 37.What is the difference between the compound interest and the simple interest on ₹24400 at 20% per year for 2 years (in ₹)?
38. 38.What is the difference between the compound interest and the simple interest on ₹2400 at 25% per year for 2 years (in ₹)?
39. 39.A scooter is worth ₹11700. Its value falls by 20% every year. What will it be worth after 1 year (in ₹)?
40. 40.What amount will ₹8200 grow to in 1 year at 12% per year compound interest (in ₹)?

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