Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 147 · 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 ₹23400 grow to in 1 year at 10% per year compound interest (in ₹)?
2. 2.Find the compound interest on ₹7600 at 8% per year for 1 year, compounded every year (in ₹).
3. 3.What is the difference between the compound interest and the simple interest on ₹57500 at 4% per year for 2 years (in ₹)?
4. 4.A town has 8000 people. The population grows by 15% every year. What will the population be after 3 years?
5. 5.A scooter is worth ₹45800. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
6. 6.What amount will ₹27800 grow to in 1 year at 4% per year compound interest (in ₹)?
7. 7.What is the difference between the compound interest and the simple interest on ₹37600 at 5% per year for 2 years (in ₹)?
8. 8.What is the difference between the compound interest and the simple interest on ₹20000 at 12% per year for 2 years (in ₹)?
9. 9.Find the compound interest on ₹2800 at 25% per year for 2 years, compounded every year (in ₹).
10. 10.What amount will ₹34500 grow to in 2 years at 20% per year compound interest (in ₹)?
11. 11.Find the compound interest on ₹3400 at 8% per year for 1 year, compounded every year (in ₹).
12. 12.A town has 3800 people. The population grows by 4% every year. What will the population be after 1 year?
13. 13.A scooter is worth ₹10400. Its value falls by 15% every year. What will it be worth after 2 years (in ₹)?
14. 14.A scooter is worth ₹43700. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
15. 15.A town has 47600 people. The population grows by 12% every year. What will the population be after 1 year?
16. 16.A town has 32100 people. The population grows by 12% every year. What will the population be after 1 year?
17. 17.Find the compound interest on ₹31000 at 20% per year for 3 years, compounded every year (in ₹).
18. 18.A scooter is worth ₹14900. Its value falls by 4% every year. What will it be worth after 1 year (in ₹)?
19. 19.A town has 9700 people. The population grows by 10% every year. What will the population be after 2 years?
20. 20.Find the compound interest on ₹22500 at 12% per year for 2 years, compounded every year (in ₹).
21. 21.A town has 24800 people. The population grows by 15% every year. What will the population be after 2 years?
22. 22.Find the compound interest on ₹24800 at 8% per year for 1 year, compounded every year (in ₹).
23. 23.What is the difference between the compound interest and the simple interest on ₹50000 at 4% per year for 2 years (in ₹)?
24. 24.A town has 29200 people. The population grows by 4% every year. What will the population be after 1 year?
25. 25.What amount will ₹53000 grow to in 1 year at 15% per year compound interest (in ₹)?
26. 26.Find the compound interest on ₹28600 at 10% per year for 1 year, compounded every year (in ₹).
27. 27.What is the difference between the compound interest and the simple interest on ₹56000 at 5% per year for 2 years (in ₹)?
28. 28.What amount will ₹6000 grow to in 2 years at 15% per year compound interest (in ₹)?
29. 29.Find the compound interest on ₹30000 at 4% per year for 2 years, compounded every year (in ₹).
30. 30.What amount will ₹60000 grow to in 2 years at 8% per year compound interest (in ₹)?
31. 31.A town has 7500 people. The population grows by 4% every year. What will the population be after 2 years?
32. 32.What amount will ₹6100 grow to in 1 year at 5% per year compound interest (in ₹)?
33. 33.What amount will ₹41600 grow to in 3 years at 25% per year compound interest (in ₹)?
34. 34.What is the difference between the compound interest and the simple interest on ₹13600 at 25% per year for 2 years (in ₹)?
35. 35.What amount will ₹20200 grow to in 1 year at 5% per year compound interest (in ₹)?
36. 36.Find the compound interest on ₹15000 at 25% per year for 1 year, compounded every year (in ₹).
37. 37.Find the compound interest on ₹9600 at 20% per year for 1 year, compounded every year (in ₹).
38. 38.A scooter is worth ₹48700. Its value falls by 20% every year. What will it be worth after 1 year (in ₹)?
39. 39.Find the compound interest on ₹12900 at 10% per year for 2 years, compounded every year (in ₹).
40. 40.What amount will ₹40000 grow to in 3 years at 5% per year compound interest (in ₹)?

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