Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 115 · 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 amount will ₹16000 grow to in 3 years at 20% per year compound interest (in ₹)?
2. 2.A scooter is worth ₹2600. Its value falls by 20% every year. What will it be worth after 1 year (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹19000 at 20% per year for 2 years (in ₹)?
4. 4.What is the difference between the compound interest and the simple interest on ₹45200 at 15% per year for 2 years (in ₹)?
5. 5.What amount will ₹20000 grow to in 2 years at 15% per year compound interest (in ₹)?
6. 6.A town has 56000 people. The population grows by 5% every year. What will the population be after 3 years?
7. 7.What amount will ₹25700 grow to in 1 year at 25% per year compound interest (in ₹)?
8. 8.A scooter is worth ₹46800. Its value falls by 20% every year. What will it be worth after 1 year (in ₹)?
9. 9.What amount will ₹18800 grow to in 2 years at 5% per year compound interest (in ₹)?
10. 10.Find the compound interest on ₹5200 at 15% per year for 2 years, compounded every year (in ₹).
11. 11.Find the compound interest on ₹59000 at 12% per year for 1 year, compounded every year (in ₹).
12. 12.Find the compound interest on ₹5500 at 20% per year for 3 years, compounded every year (in ₹).
13. 13.A scooter is worth ₹41600. Its value falls by 25% every year. What will it be worth after 2 years (in ₹)?
14. 14.Find the compound interest on ₹16000 at 15% per year for 3 years, compounded every year (in ₹).
15. 15.What amount will ₹20000 grow to in 2 years at 25% per year compound interest (in ₹)?
16. 16.What amount will ₹14200 grow to in 1 year at 25% per year compound interest (in ₹)?
17. 17.A scooter is worth ₹22900. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?
18. 18.Find the compound interest on ₹6000 at 20% per year for 1 year, compounded every year (in ₹).
19. 19.Find the compound interest on ₹18100 at 5% per year for 1 year, compounded every year (in ₹).
20. 20.What amount will ₹12500 grow to in 2 years at 4% per year compound interest (in ₹)?
21. 21.What amount will ₹56000 grow to in 3 years at 5% per year compound interest (in ₹)?
22. 22.A town has 45200 people. The population grows by 15% every year. What will the population be after 2 years?
23. 23.Find the compound interest on ₹55000 at 8% per year for 2 years, compounded every year (in ₹).
24. 24.A town has 27900 people. The population grows by 20% every year. What will the population be after 2 years?
25. 25.What is the difference between the compound interest and the simple interest on ₹37200 at 10% per year for 2 years (in ₹)?
26. 26.Find the compound interest on ₹50000 at 8% per year for 2 years, compounded every year (in ₹).
27. 27.What amount will ₹37200 grow to in 2 years at 5% per year compound interest (in ₹)?
28. 28.A town has 15200 people. The population grows by 8% every year. What will the population be after 1 year?
29. 29.Find the compound interest on ₹14900 at 5% per year for 1 year, compounded every year (in ₹).
30. 30.Find the compound interest on ₹47500 at 8% per year for 2 years, compounded every year (in ₹).
31. 31.Find the compound interest on ₹48800 at 5% per year for 2 years, compounded every year (in ₹).
32. 32.A scooter is worth ₹25700. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
33. 33.Find the compound interest on ₹39600 at 5% per year for 2 years, compounded every year (in ₹).
34. 34.What is the difference between the compound interest and the simple interest on ₹17200 at 5% per year for 2 years (in ₹)?
35. 35.What is the difference between the compound interest and the simple interest on ₹30000 at 12% per year for 2 years (in ₹)?
36. 36.What amount will ₹40000 grow to in 2 years at 12% per year compound interest (in ₹)?
37. 37.What amount will ₹40100 grow to in 2 years at 20% per year compound interest (in ₹)?
38. 38.Find the compound interest on ₹23200 at 15% per year for 2 years, compounded every year (in ₹).
39. 39.What amount will ₹20800 grow to in 2 years at 15% per year compound interest (in ₹)?
40. 40.Find the compound interest on ₹16000 at 5% per year for 3 years, compounded every year (in ₹).

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