Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 348 · 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 ₹17500 at 4% per year for 2 years (in ₹)?
2. 2.What is the difference between the compound interest and the simple interest on ₹14500 at 20% per year for 2 years (in ₹)?
3. 3.A town has 2000 people. The population grows by 10% every year. What will the population be after 3 years?
4. 4.What amount will ₹8000 grow to in 3 years at 25% per year compound interest (in ₹)?
5. 5.A town has 25200 people. The population grows by 15% every year. What will the population be after 2 years?
6. 6.What amount will ₹6500 grow to in 3 years at 20% per year compound interest (in ₹)?
7. 7.What amount will ₹42500 grow to in 2 years at 8% per year compound interest (in ₹)?
8. 8.A town has 46400 people. The population grows by 5% every year. What will the population be after 2 years?
9. 9.What amount will ₹25400 grow to in 2 years at 10% per year compound interest (in ₹)?
10. 10.Find the compound interest on ₹40000 at 5% per year for 3 years, compounded every year (in ₹).
11. 11.A town has 52500 people. The population grows by 8% every year. What will the population be after 2 years?
12. 12.A town has 16000 people. The population grows by 10% every year. What will the population be after 1 year?
13. 13.A scooter is worth ₹23600. Its value falls by 25% every year. What will it be worth after 2 years (in ₹)?
14. 14.What amount will ₹5700 grow to in 1 year at 5% per year compound interest (in ₹)?
15. 15.Find the compound interest on ₹22300 at 4% per year for 1 year, compounded every year (in ₹).
16. 16.What is the difference between the compound interest and the simple interest on ₹34800 at 5% per year for 2 years (in ₹)?
17. 17.A town has 56200 people. The population grows by 10% every year. What will the population be after 1 year?
18. 18.Find the compound interest on ₹60000 at 4% per year for 2 years, compounded every year (in ₹).
19. 19.What amount will ₹9600 grow to in 3 years at 25% per year compound interest (in ₹)?
20. 20.Find the compound interest on ₹52100 at 10% per year for 1 year, compounded every year (in ₹).
21. 21.What amount will ₹46100 grow to in 1 year at 5% per year compound interest (in ₹)?
22. 22.A town has 36800 people. The population grows by 25% every year. What will the population be after 3 years?
23. 23.Find the compound interest on ₹57000 at 10% per year for 3 years, compounded every year (in ₹).
24. 24.A town has 16000 people. The population grows by 5% every year. What will the population be after 3 years?
25. 25.What is the difference between the compound interest and the simple interest on ₹10400 at 5% per year for 2 years (in ₹)?
26. 26.What amount will ₹5200 grow to in 2 years at 20% per year compound interest (in ₹)?
27. 27.Find the compound interest on ₹33000 at 20% per year for 3 years, compounded every year (in ₹).
28. 28.What amount will ₹43900 grow to in 2 years at 20% per year compound interest (in ₹)?
29. 29.What is the difference between the compound interest and the simple interest on ₹34000 at 15% per year for 2 years (in ₹)?
30. 30.A scooter is worth ₹33900. Its value falls by 8% every year. What will it be worth after 1 year (in ₹)?
31. 31.What amount will ₹35000 grow to in 2 years at 12% per year compound interest (in ₹)?
32. 32.A town has 22200 people. The population grows by 25% every year. What will the population be after 1 year?
33. 33.A scooter is worth ₹8000. Its value falls by 15% every year. What will it be worth after 3 years (in ₹)?
34. 34.A town has 23200 people. The population grows by 25% every year. What will the population be after 2 years?
35. 35.A town has 7000 people. The population grows by 20% every year. What will the population be after 3 years?
36. 36.Find the compound interest on ₹6900 at 20% per year for 2 years, compounded every year (in ₹).
37. 37.What amount will ₹55000 grow to in 2 years at 4% per year compound interest (in ₹)?
38. 38.A scooter is worth ₹51200. Its value falls by 25% every year. What will it be worth after 3 years (in ₹)?
39. 39.A town has 29100 people. The population grows by 5% every year. What will the population be after 1 year?
40. 40.A scooter is worth ₹31100. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?

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