Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 760 · 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 ₹7000 at 10% per year for 3 years, compounded every year (in ₹).
2. 2.Find the compound interest on ₹30000 at 8% per year for 2 years, compounded every year (in ₹).
3. 3.Find the compound interest on ₹28700 at 20% per year for 1 year, compounded every year (in ₹).
4. 4.Find the compound interest on ₹59100 at 20% per year for 2 years, compounded every year (in ₹).
5. 5.What is the difference between the compound interest and the simple interest on ₹7500 at 4% per year for 2 years (in ₹)?
6. 6.What is the difference between the compound interest and the simple interest on ₹25000 at 12% per year for 2 years (in ₹)?
7. 7.A scooter is worth ₹14400. Its value falls by 25% every year. What will it be worth after 3 years (in ₹)?
8. 8.Find the compound interest on ₹39300 at 25% per year for 1 year, compounded every year (in ₹).
9. 9.What amount will ₹37500 grow to in 2 years at 8% per year compound interest (in ₹)?
10. 10.Find the compound interest on ₹22400 at 25% per year for 3 years, compounded every year (in ₹).
11. 11.What amount will ₹26900 grow to in 1 year at 10% per year compound interest (in ₹)?
12. 12.What is the difference between the compound interest and the simple interest on ₹2500 at 12% per year for 2 years (in ₹)?
13. 13.What is the difference between the compound interest and the simple interest on ₹7500 at 8% per year for 2 years (in ₹)?
14. 14.What amount will ₹56000 grow to in 3 years at 5% per year compound interest (in ₹)?
15. 15.What amount will ₹55000 grow to in 2 years at 4% per year compound interest (in ₹)?
16. 16.Find the compound interest on ₹35000 at 8% per year for 2 years, compounded every year (in ₹).
17. 17.Find the compound interest on ₹42400 at 5% per year for 2 years, compounded every year (in ₹).
18. 18.What is the difference between the compound interest and the simple interest on ₹17500 at 8% per year for 2 years (in ₹)?
19. 19.Find the compound interest on ₹55000 at 4% per year for 2 years, compounded every year (in ₹).
20. 20.What is the difference between the compound interest and the simple interest on ₹44300 at 20% per year for 2 years (in ₹)?
21. 21.Find the compound interest on ₹16400 at 5% per year for 1 year, compounded every year (in ₹).
22. 22.A scooter is worth ₹32000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
23. 23.What is the difference between the compound interest and the simple interest on ₹37900 at 10% per year for 2 years (in ₹)?
24. 24.Find the compound interest on ₹40200 at 25% per year for 1 year, compounded every year (in ₹).
25. 25.A town has 32600 people. The population grows by 15% every year. What will the population be after 1 year?
26. 26.Find the compound interest on ₹9600 at 10% per year for 1 year, compounded every year (in ₹).
27. 27.Find the compound interest on ₹60000 at 4% per year for 2 years, compounded every year (in ₹).
28. 28.What is the difference between the compound interest and the simple interest on ₹37500 at 4% per year for 2 years (in ₹)?
29. 29.What is the difference between the compound interest and the simple interest on ₹40000 at 25% per year for 2 years (in ₹)?
30. 30.A town has 24000 people. The population grows by 15% every year. What will the population be after 3 years?
31. 31.What amount will ₹47000 grow to in 3 years at 10% per year compound interest (in ₹)?
32. 32.What is the difference between the compound interest and the simple interest on ₹48400 at 10% per year for 2 years (in ₹)?
33. 33.What is the difference between the compound interest and the simple interest on ₹36200 at 10% per year for 2 years (in ₹)?
34. 34.Find the compound interest on ₹28800 at 25% per year for 3 years, compounded every year (in ₹).
35. 35.What amount will ₹40000 grow to in 3 years at 15% per year compound interest (in ₹)?
36. 36.What is the difference between the compound interest and the simple interest on ₹17500 at 4% per year for 2 years (in ₹)?
37. 37.Find the compound interest on ₹38600 at 25% per year for 1 year, compounded every year (in ₹).
38. 38.A scooter is worth ₹44000. Its value falls by 10% every year. What will it be worth after 3 years (in ₹)?
39. 39.What amount will ₹57300 grow to in 2 years at 20% per year compound interest (in ₹)?
40. 40.What amount will ₹14400 grow to in 2 years at 5% per year compound interest (in ₹)?

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