Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 858 · 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 ₹27500 at 4% per year for 2 years (in ₹)?
2. 2.A scooter is worth ₹7500. Its value falls by 12% every year. What will it be worth after 2 years (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹48000 at 15% per year for 2 years (in ₹)?
4. 4.Find the compound interest on ₹45000 at 12% per year for 2 years, compounded every year (in ₹).
5. 5.Find the compound interest on ₹56000 at 5% per year for 3 years, compounded every year (in ₹).
6. 6.What is the difference between the compound interest and the simple interest on ₹27500 at 12% per year for 2 years (in ₹)?
7. 7.A scooter is worth ₹25200. Its value falls by 25% every year. What will it be worth after 2 years (in ₹)?
8. 8.Find the compound interest on ₹41600 at 10% per year for 2 years, compounded every year (in ₹).
9. 9.Find the compound interest on ₹22500 at 20% per year for 3 years, compounded every year (in ₹).
10. 10.What is the difference between the compound interest and the simple interest on ₹50000 at 4% per year for 2 years (in ₹)?
11. 11.A scooter is worth ₹23500. Its value falls by 10% every year. What will it be worth after 2 years (in ₹)?
12. 12.A scooter is worth ₹3200. Its value falls by 25% every year. What will it be worth after 1 year (in ₹)?
13. 13.Find the compound interest on ₹7500 at 12% per year for 2 years, compounded every year (in ₹).
14. 14.What is the difference between the compound interest and the simple interest on ₹55600 at 25% per year for 2 years (in ₹)?
15. 15.What is the difference between the compound interest and the simple interest on ₹59200 at 5% per year for 2 years (in ₹)?
16. 16.A scooter is worth ₹21700. Its value falls by 8% every year. What will it be worth after 1 year (in ₹)?
17. 17.What is the difference between the compound interest and the simple interest on ₹19200 at 15% per year for 2 years (in ₹)?
18. 18.What amount will ₹53300 grow to in 1 year at 5% per year compound interest (in ₹)?
19. 19.What amount will ₹46400 grow to in 1 year at 8% per year compound interest (in ₹)?
20. 20.What is the difference between the compound interest and the simple interest on ₹44500 at 20% per year for 2 years (in ₹)?
21. 21.Find the compound interest on ₹34700 at 5% per year for 1 year, compounded every year (in ₹).
22. 22.What is the difference between the compound interest and the simple interest on ₹18800 at 15% per year for 2 years (in ₹)?
23. 23.A scooter is worth ₹27200. Its value falls by 25% every year. What will it be worth after 3 years (in ₹)?
24. 24.Find the compound interest on ₹24000 at 15% per year for 3 years, compounded every year (in ₹).
25. 25.Find the compound interest on ₹15100 at 25% per year for 1 year, compounded every year (in ₹).
26. 26.What amount will ₹44800 grow to in 3 years at 25% per year compound interest (in ₹)?
27. 27.What amount will ₹45200 grow to in 2 years at 25% per year compound interest (in ₹)?
28. 28.What is the difference between the compound interest and the simple interest on ₹25000 at 8% per year for 2 years (in ₹)?
29. 29.Find the compound interest on ₹31600 at 8% per year for 1 year, compounded every year (in ₹).
30. 30.A scooter is worth ₹60000. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
31. 31.What amount will ₹51100 grow to in 1 year at 4% per year compound interest (in ₹)?
32. 32.What amount will ₹31800 grow to in 1 year at 25% per year compound interest (in ₹)?
33. 33.Find the compound interest on ₹56800 at 8% per year for 1 year, compounded every year (in ₹).
34. 34.What amount will ₹5400 grow to in 1 year at 10% per year compound interest (in ₹)?
35. 35.Find the compound interest on ₹40000 at 5% per year for 3 years, compounded every year (in ₹).
36. 36.What is the difference between the compound interest and the simple interest on ₹15000 at 4% per year for 2 years (in ₹)?
37. 37.Find the compound interest on ₹29500 at 10% per year for 2 years, compounded every year (in ₹).
38. 38.What is the difference between the compound interest and the simple interest on ₹12500 at 8% per year for 2 years (in ₹)?
39. 39.What amount will ₹7100 grow to in 2 years at 10% per year compound interest (in ₹)?
40. 40.What amount will ₹27500 grow to in 2 years at 4% per year compound interest (in ₹)?

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