Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 889 · 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.Find the compound interest on ₹16500 at 20% per year for 3 years, compounded every year (in ₹).
2. 2.A town has 22000 people. The population grows by 10% every year. What will the population be after 3 years?
3. 3.What is the difference between the compound interest and the simple interest on ₹55000 at 4% per year for 2 years (in ₹)?
4. 4.A town has 56000 people. The population grows by 15% every year. What will the population be after 3 years?
5. 5.What amount will ₹44800 grow to in 3 years at 25% per year compound interest (in ₹)?
6. 6.What is the difference between the compound interest and the simple interest on ₹12500 at 8% per year for 2 years (in ₹)?
7. 7.A scooter is worth ₹56500. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
8. 8.Find the compound interest on ₹28800 at 5% per year for 1 year, compounded every year (in ₹).
9. 9.Find the compound interest on ₹5900 at 20% per year for 2 years, compounded every year (in ₹).
10. 10.A scooter is worth ₹5600. Its value falls by 25% every year. What will it be worth after 1 year (in ₹)?
11. 11.A town has 55500 people. The population grows by 20% every year. What will the population be after 3 years?
12. 12.What is the difference between the compound interest and the simple interest on ₹10800 at 15% per year for 2 years (in ₹)?
13. 13.What amount will ₹22700 grow to in 1 year at 12% per year compound interest (in ₹)?
14. 14.Find the compound interest on ₹7300 at 15% per year for 1 year, compounded every year (in ₹).
15. 15.A town has 38800 people. The population grows by 25% every year. What will the population be after 2 years?
16. 16.What is the difference between the compound interest and the simple interest on ₹25000 at 20% per year for 2 years (in ₹)?
17. 17.What is the difference between the compound interest and the simple interest on ₹20000 at 4% per year for 2 years (in ₹)?
18. 18.What amount will ₹38200 grow to in 2 years at 20% per year compound interest (in ₹)?
19. 19.A town has 27500 people. The population grows by 8% every year. What will the population be after 2 years?
20. 20.A scooter is worth ₹23800. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
21. 21.What amount will ₹23400 grow to in 1 year at 20% per year compound interest (in ₹)?
22. 22.What is the difference between the compound interest and the simple interest on ₹17500 at 4% per year for 2 years (in ₹)?
23. 23.Find the compound interest on ₹26000 at 10% per year for 3 years, compounded every year (in ₹).
24. 24.Find the compound interest on ₹16000 at 5% per year for 2 years, compounded every year (in ₹).
25. 25.Find the compound interest on ₹30800 at 12% per year for 1 year, compounded every year (in ₹).
26. 26.What amount will ₹48000 grow to in 1 year at 20% per year compound interest (in ₹)?
27. 27.What amount will ₹3200 grow to in 3 years at 25% per year compound interest (in ₹)?
28. 28.A town has 8000 people. The population grows by 5% every year. What will the population be after 3 years?
29. 29.A scooter is worth ₹50800. Its value falls by 5% every year. What will it be worth after 2 years (in ₹)?
30. 30.A town has 46400 people. The population grows by 5% every year. What will the population be after 2 years?
31. 31.Find the compound interest on ₹29300 at 10% per year for 1 year, compounded every year (in ₹).
32. 32.Find the compound interest on ₹13000 at 20% per year for 3 years, compounded every year (in ₹).
33. 33.What amount will ₹50000 grow to in 2 years at 8% per year compound interest (in ₹)?
34. 34.Find the compound interest on ₹35000 at 4% per year for 2 years, compounded every year (in ₹).
35. 35.What is the difference between the compound interest and the simple interest on ₹38100 at 10% per year for 2 years (in ₹)?
36. 36.What is the difference between the compound interest and the simple interest on ₹17500 at 12% per year for 2 years (in ₹)?
37. 37.What amount will ₹32100 grow to in 1 year at 12% per year compound interest (in ₹)?
38. 38.What is the difference between the compound interest and the simple interest on ₹47600 at 25% per year for 2 years (in ₹)?
39. 39.What is the difference between the compound interest and the simple interest on ₹59900 at 20% per year for 2 years (in ₹)?
40. 40.What is the difference between the compound interest and the simple interest on ₹24200 at 20% per year for 2 years (in ₹)?

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