Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 939 · 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.A town has 17300 people. The population grows by 20% every year. What will the population be after 2 years?
2. 2.What amount will ₹3300 grow to in 1 year at 8% per year compound interest (in ₹)?
3. 3.A town has 9600 people. The population grows by 25% every year. What will the population be after 2 years?
4. 4.What amount will ₹40000 grow to in 3 years at 15% per year compound interest (in ₹)?
5. 5.Find the compound interest on ₹38500 at 4% per year for 1 year, compounded every year (in ₹).
6. 6.What amount will ₹35800 grow to in 1 year at 4% per year compound interest (in ₹)?
7. 7.A town has 48000 people. The population grows by 15% every year. What will the population be after 3 years?
8. 8.Find the compound interest on ₹52500 at 8% per year for 2 years, compounded every year (in ₹).
9. 9.What amount will ₹35000 grow to in 2 years at 12% per year compound interest (in ₹)?
10. 10.What is the difference between the compound interest and the simple interest on ₹50800 at 5% per year for 2 years (in ₹)?
11. 11.What is the difference between the compound interest and the simple interest on ₹32500 at 12% per year for 2 years (in ₹)?
12. 12.Find the compound interest on ₹57600 at 25% per year for 3 years, compounded every year (in ₹).
13. 13.What is the difference between the compound interest and the simple interest on ₹53700 at 20% per year for 2 years (in ₹)?
14. 14.Find the compound interest on ₹42000 at 5% per year for 2 years, compounded every year (in ₹).
15. 15.Find the compound interest on ₹52800 at 12% per year for 1 year, compounded every year (in ₹).
16. 16.What amount will ₹51200 grow to in 1 year at 5% per year compound interest (in ₹)?
17. 17.A town has 31600 people. The population grows by 25% every year. What will the population be after 2 years?
18. 18.A town has 28800 people. The population grows by 25% every year. What will the population be after 3 years?
19. 19.Find the compound interest on ₹26900 at 4% per year for 1 year, compounded every year (in ₹).
20. 20.A town has 37500 people. The population grows by 8% every year. What will the population be after 2 years?
21. 21.What amount will ₹31900 grow to in 1 year at 8% per year compound interest (in ₹)?
22. 22.What is the difference between the compound interest and the simple interest on ₹36800 at 15% per year for 2 years (in ₹)?
23. 23.Find the compound interest on ₹2000 at 15% per year for 2 years, compounded every year (in ₹).
24. 24.Find the compound interest on ₹7900 at 20% per year for 1 year, compounded every year (in ₹).
25. 25.What amount will ₹6400 grow to in 1 year at 15% per year compound interest (in ₹)?
26. 26.Find the compound interest on ₹13000 at 10% per year for 2 years, compounded every year (in ₹).
27. 27.Find the compound interest on ₹47700 at 5% per year for 1 year, compounded every year (in ₹).
28. 28.Find the compound interest on ₹56200 at 10% per year for 2 years, compounded every year (in ₹).
29. 29.Find the compound interest on ₹21200 at 10% per year for 1 year, compounded every year (in ₹).
30. 30.What amount will ₹6000 grow to in 1 year at 10% per year compound interest (in ₹)?
31. 31.What amount will ₹12500 grow to in 2 years at 8% per year compound interest (in ₹)?
32. 32.A town has 14200 people. The population grows by 15% every year. What will the population be after 1 year?
33. 33.A town has 32000 people. The population grows by 25% every year. What will the population be after 3 years?
34. 34.What is the difference between the compound interest and the simple interest on ₹29200 at 5% per year for 2 years (in ₹)?
35. 35.Find the compound interest on ₹12800 at 15% per year for 2 years, compounded every year (in ₹).
36. 36.A town has 8000 people. The population grows by 5% every year. What will the population be after 3 years?
37. 37.Find the compound interest on ₹8000 at 5% per year for 3 years, compounded every year (in ₹).
38. 38.What amount will ₹14000 grow to in 3 years at 20% per year compound interest (in ₹)?
39. 39.Find the compound interest on ₹47600 at 20% per year for 1 year, compounded every year (in ₹).
40. 40.What is the difference between the compound interest and the simple interest on ₹7500 at 4% per year for 2 years (in ₹)?

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