Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 854 · 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 ₹58000 at 10% per year for 3 years, compounded every year (in ₹).
2. 2.What is the difference between the compound interest and the simple interest on ₹48800 at 5% per year for 2 years (in ₹)?
3. 3.Find the compound interest on ₹42500 at 12% per year for 2 years, compounded every year (in ₹).
4. 4.Find the compound interest on ₹33200 at 4% per year for 1 year, compounded every year (in ₹).
5. 5.Find the compound interest on ₹17500 at 20% per year for 2 years, compounded every year (in ₹).
6. 6.What is the difference between the compound interest and the simple interest on ₹18900 at 10% per year for 2 years (in ₹)?
7. 7.What amount will ₹40000 grow to in 3 years at 5% per year compound interest (in ₹)?
8. 8.What is the difference between the compound interest and the simple interest on ₹25700 at 20% per year for 2 years (in ₹)?
9. 9.A scooter is worth ₹40000. Its value falls by 15% every year. What will it be worth after 3 years (in ₹)?
10. 10.Find the compound interest on ₹56000 at 10% per year for 3 years, compounded every year (in ₹).
11. 11.Find the compound interest on ₹29700 at 5% per year for 1 year, compounded every year (in ₹).
12. 12.What amount will ₹8000 grow to in 3 years at 15% per year compound interest (in ₹)?
13. 13.What amount will ₹3200 grow to in 3 years at 25% per year compound interest (in ₹)?
14. 14.What is the difference between the compound interest and the simple interest on ₹2500 at 12% per year for 2 years (in ₹)?
15. 15.What amount will ₹2000 grow to in 2 years at 5% per year compound interest (in ₹)?
16. 16.What amount will ₹43200 grow to in 2 years at 15% per year compound interest (in ₹)?
17. 17.What amount will ₹58400 grow to in 1 year at 8% per year compound interest (in ₹)?
18. 18.What is the difference between the compound interest and the simple interest on ₹17500 at 4% per year for 2 years (in ₹)?
19. 19.A town has 40000 people. The population grows by 8% every year. What will the population be after 2 years?
20. 20.Find the compound interest on ₹35700 at 20% per year for 1 year, compounded every year (in ₹).
21. 21.Find the compound interest on ₹14400 at 5% per year for 2 years, compounded every year (in ₹).
22. 22.What amount will ₹7600 grow to in 2 years at 10% per year compound interest (in ₹)?
23. 23.A town has 20000 people. The population grows by 12% every year. What will the population be after 2 years?
24. 24.What amount will ₹34000 grow to in 2 years at 10% per year compound interest (in ₹)?
25. 25.What amount will ₹11600 grow to in 2 years at 5% per year compound interest (in ₹)?
26. 26.A scooter is worth ₹23500. Its value falls by 4% every year. What will it be worth after 1 year (in ₹)?
27. 27.Find the compound interest on ₹60000 at 25% per year for 2 years, compounded every year (in ₹).
28. 28.A town has 44400 people. The population grows by 15% every year. What will the population be after 2 years?
29. 29.What amount will ₹15000 grow to in 2 years at 8% per year compound interest (in ₹)?
30. 30.A scooter is worth ₹58300. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
31. 31.Find the compound interest on ₹37000 at 20% per year for 3 years, compounded every year (in ₹).
32. 32.What amount will ₹27400 grow to in 1 year at 8% per year compound interest (in ₹)?
33. 33.What is the difference between the compound interest and the simple interest on ₹7200 at 15% per year for 2 years (in ₹)?
34. 34.Find the compound interest on ₹17600 at 8% per year for 1 year, compounded every year (in ₹).
35. 35.Find the compound interest on ₹47100 at 5% per year for 1 year, compounded every year (in ₹).
36. 36.What amount will ₹21500 grow to in 3 years at 20% per year compound interest (in ₹)?
37. 37.What amount will ₹52500 grow to in 2 years at 4% per year compound interest (in ₹)?
38. 38.What is the difference between the compound interest and the simple interest on ₹50000 at 4% per year for 2 years (in ₹)?
39. 39.Find the compound interest on ₹12500 at 8% per year for 2 years, compounded every year (in ₹).
40. 40.What is the difference between the compound interest and the simple interest on ₹12500 at 4% per year for 2 years (in ₹)?

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