Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 506 · 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 ₹24000 at 5% per year for 3 years, compounded every year (in ₹).
2. 2.Find the compound interest on ₹36800 at 25% per year for 2 years, compounded every year (in ₹).
3. 3.What amount will ₹3200 grow to in 2 years at 5% per year compound interest (in ₹)?
4. 4.What is the difference between the compound interest and the simple interest on ₹40400 at 10% per year for 2 years (in ₹)?
5. 5.Find the compound interest on ₹32000 at 5% per year for 3 years, compounded every year (in ₹).
6. 6.Find the compound interest on ₹8000 at 5% per year for 3 years, compounded every year (in ₹).
7. 7.A town has 21600 people. The population grows by 25% every year. What will the population be after 2 years?
8. 8.What is the difference between the compound interest and the simple interest on ₹13600 at 5% per year for 2 years (in ₹)?
9. 9.What amount will ₹60000 grow to in 3 years at 10% per year compound interest (in ₹)?
10. 10.A town has 12600 people. The population grows by 20% every year. What will the population be after 1 year?
11. 11.A scooter is worth ₹56000. Its value falls by 15% every year. What will it be worth after 3 years (in ₹)?
12. 12.Find the compound interest on ₹52200 at 5% per year for 1 year, compounded every year (in ₹).
13. 13.Find the compound interest on ₹48800 at 5% per year for 2 years, compounded every year (in ₹).
14. 14.What amount will ₹46400 grow to in 3 years at 25% per year compound interest (in ₹)?
15. 15.A scooter is worth ₹31200. Its value falls by 8% every year. What will it be worth after 1 year (in ₹)?
16. 16.A town has 47500 people. The population grows by 8% every year. What will the population be after 2 years?
17. 17.Find the compound interest on ₹10400 at 15% per year for 2 years, compounded every year (in ₹).
18. 18.What amount will ₹23200 grow to in 2 years at 5% per year compound interest (in ₹)?
19. 19.Find the compound interest on ₹48000 at 25% per year for 3 years, compounded every year (in ₹).
20. 20.Find the compound interest on ₹15600 at 15% per year for 2 years, compounded every year (in ₹).
21. 21.Find the compound interest on ₹51600 at 5% per year for 2 years, compounded every year (in ₹).
22. 22.What amount will ₹50000 grow to in 2 years at 8% per year compound interest (in ₹)?
23. 23.What is the difference between the compound interest and the simple interest on ₹54000 at 5% per year for 2 years (in ₹)?
24. 24.What is the difference between the compound interest and the simple interest on ₹59800 at 10% per year for 2 years (in ₹)?
25. 25.What is the difference between the compound interest and the simple interest on ₹14800 at 20% per year for 2 years (in ₹)?
26. 26.What amount will ₹43600 grow to in 2 years at 5% per year compound interest (in ₹)?
27. 27.What amount will ₹8000 grow to in 3 years at 5% per year compound interest (in ₹)?
28. 28.What amount will ₹2500 grow to in 2 years at 20% per year compound interest (in ₹)?
29. 29.What amount will ₹22400 grow to in 2 years at 5% per year compound interest (in ₹)?
30. 30.A town has 20000 people. The population grows by 8% every year. What will the population be after 2 years?
31. 31.Find the compound interest on ₹20700 at 5% per year for 1 year, compounded every year (in ₹).
32. 32.A town has 18400 people. The population grows by 15% every year. What will the population be after 1 year?
33. 33.What is the difference between the compound interest and the simple interest on ₹54400 at 5% per year for 2 years (in ₹)?
34. 34.What is the difference between the compound interest and the simple interest on ₹20000 at 15% per year for 2 years (in ₹)?
35. 35.What is the difference between the compound interest and the simple interest on ₹8400 at 5% per year for 2 years (in ₹)?
36. 36.Find the compound interest on ₹3200 at 10% per year for 2 years, compounded every year (in ₹).
37. 37.Find the compound interest on ₹7500 at 8% per year for 2 years, compounded every year (in ₹).
38. 38.What is the difference between the compound interest and the simple interest on ₹15600 at 10% per year for 2 years (in ₹)?
39. 39.Find the compound interest on ₹30000 at 4% per year for 2 years, compounded every year (in ₹).
40. 40.What is the difference between the compound interest and the simple interest on ₹38000 at 15% per year for 2 years (in ₹)?

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