Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 359 · 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 ₹3800 at 10% per year for 1 year, compounded every year (in ₹).
2. 2.What is the difference between the compound interest and the simple interest on ₹24800 at 5% per year for 2 years (in ₹)?
3. 3.Find the compound interest on ₹24400 at 5% per year for 2 years, compounded every year (in ₹).
4. 4.Find the compound interest on ₹40000 at 5% per year for 3 years, compounded every year (in ₹).
5. 5.What is the difference between the compound interest and the simple interest on ₹10000 at 4% per year for 2 years (in ₹)?
6. 6.Find the compound interest on ₹58200 at 12% per year for 1 year, compounded every year (in ₹).
7. 7.What amount will ₹14000 grow to in 2 years at 15% per year compound interest (in ₹)?
8. 8.Find the compound interest on ₹30000 at 20% per year for 3 years, compounded every year (in ₹).
9. 9.Find the compound interest on ₹16200 at 5% per year for 1 year, compounded every year (in ₹).
10. 10.Find the compound interest on ₹51600 at 10% per year for 1 year, compounded every year (in ₹).
11. 11.Find the compound interest on ₹14400 at 25% per year for 3 years, compounded every year (in ₹).
12. 12.A town has 34000 people. The population grows by 10% every year. What will the population be after 1 year?
13. 13.Find the compound interest on ₹11700 at 10% per year for 1 year, compounded every year (in ₹).
14. 14.A scooter is worth ₹25200. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
15. 15.Find the compound interest on ₹52800 at 25% per year for 3 years, compounded every year (in ₹).
16. 16.What is the difference between the compound interest and the simple interest on ₹50400 at 5% per year for 2 years (in ₹)?
17. 17.Find the compound interest on ₹40400 at 20% per year for 2 years, compounded every year (in ₹).
18. 18.What amount will ₹18800 grow to in 2 years at 20% per year compound interest (in ₹)?
19. 19.What amount will ₹53000 grow to in 3 years at 10% per year compound interest (in ₹)?
20. 20.A scooter is worth ₹4800. Its value falls by 5% every year. What will it be worth after 2 years (in ₹)?
21. 21.A town has 40000 people. The population grows by 25% every year. What will the population be after 3 years?
22. 22.What amount will ₹7500 grow to in 2 years at 12% per year compound interest (in ₹)?
23. 23.What amount will ₹20800 grow to in 3 years at 25% per year compound interest (in ₹)?
24. 24.What amount will ₹40000 grow to in 1 year at 15% per year compound interest (in ₹)?
25. 25.What is the difference between the compound interest and the simple interest on ₹51000 at 20% per year for 2 years (in ₹)?
26. 26.Find the compound interest on ₹35000 at 8% per year for 2 years, compounded every year (in ₹).
27. 27.Find the compound interest on ₹32000 at 10% per year for 3 years, compounded every year (in ₹).
28. 28.A town has 48000 people. The population grows by 5% every year. What will the population be after 3 years?
29. 29.Find the compound interest on ₹19000 at 10% per year for 3 years, compounded every year (in ₹).
30. 30.A scooter is worth ₹12300. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
31. 31.What amount will ₹29300 grow to in 1 year at 8% per year compound interest (in ₹)?
32. 32.What is the difference between the compound interest and the simple interest on ₹32500 at 4% per year for 2 years (in ₹)?
33. 33.Find the compound interest on ₹8400 at 5% per year for 1 year, compounded every year (in ₹).
34. 34.Find the compound interest on ₹36500 at 10% per year for 2 years, compounded every year (in ₹).
35. 35.What is the difference between the compound interest and the simple interest on ₹18800 at 5% per year for 2 years (in ₹)?
36. 36.What is the difference between the compound interest and the simple interest on ₹56000 at 20% per year for 2 years (in ₹)?
37. 37.A town has 42000 people. The population grows by 10% every year. What will the population be after 3 years?
38. 38.What is the difference between the compound interest and the simple interest on ₹31100 at 20% per year for 2 years (in ₹)?
39. 39.What is the difference between the compound interest and the simple interest on ₹14300 at 10% per year for 2 years (in ₹)?
40. 40.Find the compound interest on ₹41400 at 10% per year for 1 year, compounded every year (in ₹).

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets