Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 496 · 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 ₹45200 at 5% per year for 2 years (in ₹)?
2. 2.Find the compound interest on ₹4000 at 10% per year for 3 years, compounded every year (in ₹).
3. 3.What is the difference between the compound interest and the simple interest on ₹17500 at 8% per year for 2 years (in ₹)?
4. 4.Find the compound interest on ₹13300 at 15% per year for 1 year, compounded every year (in ₹).
5. 5.Find the compound interest on ₹50200 at 8% per year for 1 year, compounded every year (in ₹).
6. 6.What is the difference between the compound interest and the simple interest on ₹10400 at 25% per year for 2 years (in ₹)?
7. 7.What amount will ₹27200 grow to in 1 year at 12% per year compound interest (in ₹)?
8. 8.Find the compound interest on ₹43700 at 4% per year for 1 year, compounded every year (in ₹).
9. 9.Find the compound interest on ₹40500 at 10% per year for 1 year, compounded every year (in ₹).
10. 10.Find the compound interest on ₹7800 at 8% per year for 1 year, compounded every year (in ₹).
11. 11.What is the difference between the compound interest and the simple interest on ₹22500 at 4% per year for 2 years (in ₹)?
12. 12.Find the compound interest on ₹7000 at 10% per year for 3 years, compounded every year (in ₹).
13. 13.What amount will ₹48000 grow to in 3 years at 20% per year compound interest (in ₹)?
14. 14.A town has 8000 people. The population grows by 15% every year. What will the population be after 3 years?
15. 15.What is the difference between the compound interest and the simple interest on ₹2000 at 5% per year for 2 years (in ₹)?
16. 16.Find the compound interest on ₹2000 at 5% per year for 2 years, compounded every year (in ₹).
17. 17.A town has 12500 people. The population grows by 8% every year. What will the population be after 2 years?
18. 18.Find the compound interest on ₹7500 at 8% per year for 2 years, compounded every year (in ₹).
19. 19.What amount will ₹13200 grow to in 1 year at 5% per year compound interest (in ₹)?
20. 20.What is the difference between the compound interest and the simple interest on ₹42500 at 4% per year for 2 years (in ₹)?
21. 21.Find the compound interest on ₹41600 at 25% per year for 2 years, compounded every year (in ₹).
22. 22.What is the difference between the compound interest and the simple interest on ₹21800 at 10% per year for 2 years (in ₹)?
23. 23.What is the difference between the compound interest and the simple interest on ₹28600 at 20% per year for 2 years (in ₹)?
24. 24.What amount will ₹30000 grow to in 2 years at 8% per year compound interest (in ₹)?
25. 25.What amount will ₹16600 grow to in 1 year at 10% per year compound interest (in ₹)?
26. 26.Find the compound interest on ₹40000 at 8% per year for 2 years, compounded every year (in ₹).
27. 27.What is the difference between the compound interest and the simple interest on ₹15000 at 12% per year for 2 years (in ₹)?
28. 28.Find the compound interest on ₹56500 at 4% per year for 1 year, compounded every year (in ₹).
29. 29.What is the difference between the compound interest and the simple interest on ₹31200 at 15% per year for 2 years (in ₹)?
30. 30.Find the compound interest on ₹37500 at 8% per year for 2 years, compounded every year (in ₹).
31. 31.What is the difference between the compound interest and the simple interest on ₹35200 at 10% per year for 2 years (in ₹)?
32. 32.Find the compound interest on ₹15000 at 8% per year for 2 years, compounded every year (in ₹).
33. 33.Find the compound interest on ₹60000 at 5% per year for 2 years, compounded every year (in ₹).
34. 34.Find the compound interest on ₹2500 at 4% per year for 2 years, compounded every year (in ₹).
35. 35.Find the compound interest on ₹41500 at 20% per year for 3 years, compounded every year (in ₹).
36. 36.Find the compound interest on ₹50200 at 5% per year for 1 year, compounded every year (in ₹).
37. 37.A scooter is worth ₹25000. Its value falls by 10% every year. What will it be worth after 3 years (in ₹)?
38. 38.A scooter is worth ₹29500. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
39. 39.What amount will ₹6800 grow to in 2 years at 15% per year compound interest (in ₹)?
40. 40.Find the compound interest on ₹44400 at 10% per year for 2 years, compounded every year (in ₹).

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