Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 472 · 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 ₹2000 grow to in 3 years at 10% per year compound interest (in ₹)?
2. 2.What is the difference between the compound interest and the simple interest on ₹2500 at 12% per year for 2 years (in ₹)?
3. 3.A town has 56200 people. The population grows by 20% every year. What will the population be after 1 year?
4. 4.A town has 46300 people. The population grows by 10% every year. What will the population be after 1 year?
5. 5.Find the compound interest on ₹16500 at 10% per year for 1 year, compounded every year (in ₹).
6. 6.What amount will ₹20000 grow to in 2 years at 25% per year compound interest (in ₹)?
7. 7.What amount will ₹47000 grow to in 3 years at 20% per year compound interest (in ₹)?
8. 8.Find the compound interest on ₹17600 at 25% per year for 2 years, compounded every year (in ₹).
9. 9.What amount will ₹38000 grow to in 2 years at 5% per year compound interest (in ₹)?
10. 10.What amount will ₹28000 grow to in 2 years at 5% per year compound interest (in ₹)?
11. 11.A town has 31700 people. The population grows by 4% every year. What will the population be after 1 year?
12. 12.What amount will ₹36700 grow to in 1 year at 5% per year compound interest (in ₹)?
13. 13.Find the compound interest on ₹57500 at 4% per year for 2 years, compounded every year (in ₹).
14. 14.What is the difference between the compound interest and the simple interest on ₹48000 at 25% per year for 2 years (in ₹)?
15. 15.What amount will ₹42500 grow to in 2 years at 4% per year compound interest (in ₹)?
16. 16.What is the difference between the compound interest and the simple interest on ₹53200 at 10% per year for 2 years (in ₹)?
17. 17.What amount will ₹26700 grow to in 2 years at 10% per year compound interest (in ₹)?
18. 18.What is the difference between the compound interest and the simple interest on ₹32500 at 12% per year for 2 years (in ₹)?
19. 19.Find the compound interest on ₹56000 at 15% per year for 3 years, compounded every year (in ₹).
20. 20.What is the difference between the compound interest and the simple interest on ₹12500 at 4% per year for 2 years (in ₹)?
21. 21.A town has 26400 people. The population grows by 20% every year. What will the population be after 2 years?
22. 22.Find the compound interest on ₹35000 at 10% per year for 3 years, compounded every year (in ₹).
23. 23.Find the compound interest on ₹8000 at 15% per year for 1 year, compounded every year (in ₹).
24. 24.Find the compound interest on ₹49500 at 20% per year for 1 year, compounded every year (in ₹).
25. 25.What is the difference between the compound interest and the simple interest on ₹60000 at 5% per year for 2 years (in ₹)?
26. 26.What is the difference between the compound interest and the simple interest on ₹5000 at 4% per year for 2 years (in ₹)?
27. 27.What amount will ₹11500 grow to in 1 year at 4% per year compound interest (in ₹)?
28. 28.What is the difference between the compound interest and the simple interest on ₹40400 at 5% per year for 2 years (in ₹)?
29. 29.What is the difference between the compound interest and the simple interest on ₹56900 at 10% per year for 2 years (in ₹)?
30. 30.What amount will ₹21500 grow to in 1 year at 8% per year compound interest (in ₹)?
31. 31.Find the compound interest on ₹27500 at 12% per year for 2 years, compounded every year (in ₹).
32. 32.What is the difference between the compound interest and the simple interest on ₹36400 at 25% per year for 2 years (in ₹)?
33. 33.A town has 13500 people. The population grows by 8% every year. What will the population be after 1 year?
34. 34.What is the difference between the compound interest and the simple interest on ₹53600 at 5% per year for 2 years (in ₹)?
35. 35.A town has 17300 people. The population grows by 15% every year. What will the population be after 1 year?
36. 36.What is the difference between the compound interest and the simple interest on ₹25000 at 8% per year for 2 years (in ₹)?
37. 37.What is the difference between the compound interest and the simple interest on ₹30400 at 15% per year for 2 years (in ₹)?
38. 38.What amount will ₹13100 grow to in 1 year at 5% per year compound interest (in ₹)?
39. 39.What is the difference between the compound interest and the simple interest on ₹58400 at 5% per year for 2 years (in ₹)?
40. 40.A scooter is worth ₹43800. Its value falls by 20% every year. What will it be worth after 1 year (in ₹)?

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