Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 553 · 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 21700 people. The population grows by 10% every year. What will the population be after 2 years?
2. 2.A scooter is worth ₹59400. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?
3. 3.What amount will ₹47200 grow to in 1 year at 15% per year compound interest (in ₹)?
4. 4.Find the compound interest on ₹51200 at 25% per year for 3 years, compounded every year (in ₹).
5. 5.Find the compound interest on ₹40000 at 12% per year for 2 years, compounded every year (in ₹).
6. 6.What amount will ₹17800 grow to in 1 year at 10% per year compound interest (in ₹)?
7. 7.A scooter is worth ₹14500. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
8. 8.A town has 3000 people. The population grows by 4% every year. What will the population be after 1 year?
9. 9.Find the compound interest on ₹7500 at 12% per year for 2 years, compounded every year (in ₹).
10. 10.What amount will ₹55000 grow to in 3 years at 10% per year compound interest (in ₹)?
11. 11.What amount will ₹47800 grow to in 2 years at 10% per year compound interest (in ₹)?
12. 12.Find the compound interest on ₹7600 at 25% per year for 2 years, compounded every year (in ₹).
13. 13.A scooter is worth ₹15200. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
14. 14.Find the compound interest on ₹42000 at 25% per year for 2 years, compounded every year (in ₹).
15. 15.What is the difference between the compound interest and the simple interest on ₹42000 at 25% per year for 2 years (in ₹)?
16. 16.Find the compound interest on ₹47500 at 4% per year for 2 years, compounded every year (in ₹).
17. 17.A town has 56800 people. The population grows by 25% every year. What will the population be after 2 years?
18. 18.What amount will ₹31300 grow to in 1 year at 12% per year compound interest (in ₹)?
19. 19.Find the compound interest on ₹48000 at 15% per year for 3 years, compounded every year (in ₹).
20. 20.Find the compound interest on ₹22400 at 5% per year for 2 years, compounded every year (in ₹).
21. 21.A town has 30800 people. The population grows by 15% every year. What will the population be after 2 years?
22. 22.Find the compound interest on ₹33600 at 10% per year for 1 year, compounded every year (in ₹).
23. 23.Find the compound interest on ₹23600 at 15% per year for 2 years, compounded every year (in ₹).
24. 24.A scooter is worth ₹32500. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
25. 25.Find the compound interest on ₹5500 at 20% per year for 2 years, compounded every year (in ₹).
26. 26.A scooter is worth ₹16000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
27. 27.A scooter is worth ₹12200. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
28. 28.What is the difference between the compound interest and the simple interest on ₹20400 at 25% per year for 2 years (in ₹)?
29. 29.What is the difference between the compound interest and the simple interest on ₹51600 at 5% per year for 2 years (in ₹)?
30. 30.What amount will ₹12500 grow to in 2 years at 12% per year compound interest (in ₹)?
31. 31.What is the difference between the compound interest and the simple interest on ₹10000 at 12% per year for 2 years (in ₹)?
32. 32.What is the difference between the compound interest and the simple interest on ₹55000 at 12% per year for 2 years (in ₹)?
33. 33.What amount will ₹32000 grow to in 3 years at 15% per year compound interest (in ₹)?
34. 34.Find the compound interest on ₹26700 at 5% per year for 1 year, compounded every year (in ₹).
35. 35.Find the compound interest on ₹14400 at 15% per year for 1 year, compounded every year (in ₹).
36. 36.What amount will ₹24000 grow to in 3 years at 5% per year compound interest (in ₹)?
37. 37.What amount will ₹45200 grow to in 2 years at 5% per year compound interest (in ₹)?
38. 38.A town has 60000 people. The population grows by 12% every year. What will the population be after 2 years?
39. 39.Find the compound interest on ₹33900 at 20% per year for 1 year, compounded every year (in ₹).
40. 40.A scooter is worth ₹16500. Its value falls by 20% every year. What will it be worth after 3 years (in ₹)?

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