Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 772 · 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 ₹59200 at 5% per year for 2 years (in ₹)?
2. 2.What is the difference between the compound interest and the simple interest on ₹24000 at 5% per year for 2 years (in ₹)?
3. 3.Find the compound interest on ₹57000 at 10% per year for 3 years, compounded every year (in ₹).
4. 4.What is the difference between the compound interest and the simple interest on ₹39600 at 25% per year for 2 years (in ₹)?
5. 5.What amount will ₹19200 grow to in 3 years at 25% per year compound interest (in ₹)?
6. 6.What amount will ₹55800 grow to in 1 year at 15% per year compound interest (in ₹)?
7. 7.A town has 14500 people. The population grows by 12% every year. What will the population be after 1 year?
8. 8.What is the difference between the compound interest and the simple interest on ₹34800 at 25% per year for 2 years (in ₹)?
9. 9.What amount will ₹56000 grow to in 3 years at 5% per year compound interest (in ₹)?
10. 10.What amount will ₹22000 grow to in 3 years at 20% per year compound interest (in ₹)?
11. 11.A town has 25600 people. The population grows by 25% every year. What will the population be after 3 years?
12. 12.A scooter is worth ₹44800. Its value falls by 15% every year. What will it be worth after 2 years (in ₹)?
13. 13.A town has 31000 people. The population grows by 10% every year. What will the population be after 3 years?
14. 14.What amount will ₹8900 grow to in 1 year at 20% per year compound interest (in ₹)?
15. 15.What amount will ₹43900 grow to in 1 year at 25% per year compound interest (in ₹)?
16. 16.A scooter is worth ₹45000. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
17. 17.A scooter is worth ₹18300. Its value falls by 4% every year. What will it be worth after 1 year (in ₹)?
18. 18.What is the difference between the compound interest and the simple interest on ₹30000 at 15% per year for 2 years (in ₹)?
19. 19.Find the compound interest on ₹54800 at 15% per year for 2 years, compounded every year (in ₹).
20. 20.What amount will ₹39900 grow to in 1 year at 25% per year compound interest (in ₹)?
21. 21.A town has 35600 people. The population grows by 20% every year. What will the population be after 1 year?
22. 22.What amount will ₹24000 grow to in 3 years at 15% per year compound interest (in ₹)?
23. 23.A scooter is worth ₹15600. Its value falls by 5% every year. What will it be worth after 2 years (in ₹)?
24. 24.Find the compound interest on ₹35000 at 12% per year for 2 years, compounded every year (in ₹).
25. 25.A town has 29500 people. The population grows by 10% every year. What will the population be after 2 years?
26. 26.What is the difference between the compound interest and the simple interest on ₹35000 at 12% per year for 2 years (in ₹)?
27. 27.What amount will ₹32000 grow to in 3 years at 15% per year compound interest (in ₹)?
28. 28.What amount will ₹55000 grow to in 2 years at 12% per year compound interest (in ₹)?
29. 29.What is the difference between the compound interest and the simple interest on ₹47400 at 20% per year for 2 years (in ₹)?
30. 30.What amount will ₹31700 grow to in 1 year at 15% per year compound interest (in ₹)?
31. 31.What amount will ₹32300 grow to in 1 year at 10% per year compound interest (in ₹)?
32. 32.Find the compound interest on ₹32500 at 8% per year for 2 years, compounded every year (in ₹).
33. 33.What is the difference between the compound interest and the simple interest on ₹48800 at 5% per year for 2 years (in ₹)?
34. 34.Find the compound interest on ₹8000 at 5% per year for 3 years, compounded every year (in ₹).
35. 35.What amount will ₹16000 grow to in 3 years at 5% per year compound interest (in ₹)?
36. 36.What is the difference between the compound interest and the simple interest on ₹39200 at 15% per year for 2 years (in ₹)?
37. 37.A town has 17200 people. The population grows by 5% every year. What will the population be after 2 years?
38. 38.Find the compound interest on ₹58500 at 25% per year for 1 year, compounded every year (in ₹).
39. 39.A town has 32000 people. The population grows by 10% every year. What will the population be after 3 years?
40. 40.Find the compound interest on ₹54000 at 10% per year for 3 years, compounded every year (in ₹).

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