Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 482 · 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 ₹24800 at 20% per year for 2 years (in ₹)?
2. 2.What is the difference between the compound interest and the simple interest on ₹44000 at 15% per year for 2 years (in ₹)?
3. 3.What amount will ₹7200 grow to in 1 year at 12% per year compound interest (in ₹)?
4. 4.Find the compound interest on ₹2500 at 12% per year for 2 years, compounded every year (in ₹).
5. 5.What amount will ₹43000 grow to in 2 years at 10% per year compound interest (in ₹)?
6. 6.What is the difference between the compound interest and the simple interest on ₹10000 at 8% per year for 2 years (in ₹)?
7. 7.What amount will ₹30100 grow to in 1 year at 10% per year compound interest (in ₹)?
8. 8.What amount will ₹42400 grow to in 1 year at 10% per year compound interest (in ₹)?
9. 9.What amount will ₹17500 grow to in 2 years at 4% per year compound interest (in ₹)?
10. 10.Find the compound interest on ₹8000 at 25% per year for 3 years, compounded every year (in ₹).
11. 11.What is the difference between the compound interest and the simple interest on ₹27500 at 4% per year for 2 years (in ₹)?
12. 12.What is the difference between the compound interest and the simple interest on ₹20800 at 5% per year for 2 years (in ₹)?
13. 13.What is the difference between the compound interest and the simple interest on ₹34800 at 15% per year for 2 years (in ₹)?
14. 14.What is the difference between the compound interest and the simple interest on ₹17500 at 12% per year for 2 years (in ₹)?
15. 15.Find the compound interest on ₹55000 at 8% per year for 2 years, compounded every year (in ₹).
16. 16.A scooter is worth ₹48000. Its value falls by 25% every year. What will it be worth after 3 years (in ₹)?
17. 17.Find the compound interest on ₹16000 at 5% per year for 3 years, compounded every year (in ₹).
18. 18.What is the difference between the compound interest and the simple interest on ₹32800 at 5% per year for 2 years (in ₹)?
19. 19.What is the difference between the compound interest and the simple interest on ₹45000 at 12% per year for 2 years (in ₹)?
20. 20.What is the difference between the compound interest and the simple interest on ₹25000 at 8% per year for 2 years (in ₹)?
21. 21.What amount will ₹37600 grow to in 2 years at 25% per year compound interest (in ₹)?
22. 22.What amount will ₹42500 grow to in 1 year at 15% per year compound interest (in ₹)?
23. 23.Find the compound interest on ₹18400 at 5% per year for 2 years, compounded every year (in ₹).
24. 24.A scooter is worth ₹38900. Its value falls by 10% every year. What will it be worth after 2 years (in ₹)?
25. 25.What is the difference between the compound interest and the simple interest on ₹35300 at 20% per year for 2 years (in ₹)?
26. 26.What is the difference between the compound interest and the simple interest on ₹7500 at 8% per year for 2 years (in ₹)?
27. 27.Find the compound interest on ₹8000 at 10% per year for 3 years, compounded every year (in ₹).
28. 28.What amount will ₹53900 grow to in 1 year at 8% per year compound interest (in ₹)?
29. 29.What amount will ₹27000 grow to in 3 years at 10% per year compound interest (in ₹)?
30. 30.Find the compound interest on ₹17500 at 4% per year for 2 years, compounded every year (in ₹).
31. 31.Find the compound interest on ₹48300 at 10% per year for 1 year, compounded every year (in ₹).
32. 32.A scooter is worth ₹27700. Its value falls by 20% every year. What will it be worth after 2 years (in ₹)?
33. 33.A scooter is worth ₹56500. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
34. 34.Find the compound interest on ₹10400 at 15% per year for 2 years, compounded every year (in ₹).
35. 35.Find the compound interest on ₹16800 at 25% per year for 2 years, compounded every year (in ₹).
36. 36.Find the compound interest on ₹41400 at 10% per year for 1 year, compounded every year (in ₹).
37. 37.What amount will ₹4100 grow to in 1 year at 5% per year compound interest (in ₹)?
38. 38.What is the difference between the compound interest and the simple interest on ₹52500 at 12% per year for 2 years (in ₹)?
39. 39.Find the compound interest on ₹56000 at 5% per year for 3 years, compounded every year (in ₹).
40. 40.Find the compound interest on ₹4800 at 25% per year for 3 years, compounded every year (in ₹).

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