Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 864 · 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 ₹9500 at 12% per year for 1 year, compounded every year (in ₹).
2. 2.Find the compound interest on ₹41200 at 5% per year for 2 years, compounded every year (in ₹).
3. 3.What is the difference between the compound interest and the simple interest on ₹15300 at 20% per year for 2 years (in ₹)?
4. 4.Find the compound interest on ₹26100 at 4% per year for 1 year, compounded every year (in ₹).
5. 5.Find the compound interest on ₹32000 at 15% per year for 3 years, compounded every year (in ₹).
6. 6.Find the compound interest on ₹52200 at 4% per year for 1 year, compounded every year (in ₹).
7. 7.What amount will ₹14000 grow to in 2 years at 20% per year compound interest (in ₹)?
8. 8.What is the difference between the compound interest and the simple interest on ₹25400 at 20% per year for 2 years (in ₹)?
9. 9.Find the compound interest on ₹4000 at 15% per year for 2 years, compounded every year (in ₹).
10. 10.What is the difference between the compound interest and the simple interest on ₹12200 at 20% per year for 2 years (in ₹)?
11. 11.What is the difference between the compound interest and the simple interest on ₹37500 at 8% per year for 2 years (in ₹)?
12. 12.What amount will ₹31400 grow to in 1 year at 10% per year compound interest (in ₹)?
13. 13.What is the difference between the compound interest and the simple interest on ₹58000 at 15% per year for 2 years (in ₹)?
14. 14.Find the compound interest on ₹52100 at 20% per year for 2 years, compounded every year (in ₹).
15. 15.A town has 14000 people. The population grows by 5% every year. What will the population be after 1 year?
16. 16.Find the compound interest on ₹40700 at 10% per year for 2 years, compounded every year (in ₹).
17. 17.What is the difference between the compound interest and the simple interest on ₹58800 at 5% per year for 2 years (in ₹)?
18. 18.Find the compound interest on ₹43100 at 15% per year for 1 year, compounded every year (in ₹).
19. 19.Find the compound interest on ₹54200 at 20% per year for 2 years, compounded every year (in ₹).
20. 20.What amount will ₹32000 grow to in 3 years at 5% per year compound interest (in ₹)?
21. 21.Find the compound interest on ₹16000 at 5% per year for 3 years, compounded every year (in ₹).
22. 22.What is the difference between the compound interest and the simple interest on ₹52400 at 15% per year for 2 years (in ₹)?
23. 23.What amount will ₹14400 grow to in 2 years at 25% per year compound interest (in ₹)?
24. 24.What is the difference between the compound interest and the simple interest on ₹22500 at 4% per year for 2 years (in ₹)?
25. 25.What is the difference between the compound interest and the simple interest on ₹17800 at 20% per year for 2 years (in ₹)?
26. 26.What is the difference between the compound interest and the simple interest on ₹6400 at 15% per year for 2 years (in ₹)?
27. 27.Find the compound interest on ₹47500 at 4% per year for 2 years, compounded every year (in ₹).
28. 28.Find the compound interest on ₹20400 at 10% per year for 1 year, compounded every year (in ₹).
29. 29.What is the difference between the compound interest and the simple interest on ₹30900 at 20% per year for 2 years (in ₹)?
30. 30.What amount will ₹48900 grow to in 1 year at 4% per year compound interest (in ₹)?
31. 31.Find the compound interest on ₹19000 at 10% per year for 3 years, compounded every year (in ₹).
32. 32.A town has 52700 people. The population grows by 8% every year. What will the population be after 1 year?
33. 33.Find the compound interest on ₹22400 at 25% per year for 3 years, compounded every year (in ₹).
34. 34.Find the compound interest on ₹10000 at 10% per year for 3 years, compounded every year (in ₹).
35. 35.What is the difference between the compound interest and the simple interest on ₹13600 at 5% per year for 2 years (in ₹)?
36. 36.What is the difference between the compound interest and the simple interest on ₹25000 at 12% per year for 2 years (in ₹)?
37. 37.A scooter is worth ₹30400. Its value falls by 15% every year. What will it be worth after 2 years (in ₹)?
38. 38.What is the difference between the compound interest and the simple interest on ₹20000 at 8% per year for 2 years (in ₹)?
39. 39.Find the compound interest on ₹27700 at 10% per year for 1 year, compounded every year (in ₹).
40. 40.Find the compound interest on ₹15900 at 20% per year for 1 year, compounded every year (in ₹).

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