Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 943 · 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 ₹25000 grow to in 2 years at 12% per year compound interest (in ₹)?
2. 2.Find the compound interest on ₹17500 at 25% per year for 1 year, compounded every year (in ₹).
3. 3.Find the compound interest on ₹30400 at 5% per year for 2 years, compounded every year (in ₹).
4. 4.A scooter is worth ₹7000. Its value falls by 20% every year. What will it be worth after 3 years (in ₹)?
5. 5.Find the compound interest on ₹32800 at 5% per year for 1 year, compounded every year (in ₹).
6. 6.What amount will ₹36700 grow to in 1 year at 25% per year compound interest (in ₹)?
7. 7.What amount will ₹33400 grow to in 2 years at 10% per year compound interest (in ₹)?
8. 8.A scooter is worth ₹20600. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
9. 9.A scooter is worth ₹17500. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
10. 10.What amount will ₹58900 grow to in 2 years at 10% per year compound interest (in ₹)?
11. 11.What is the difference between the compound interest and the simple interest on ₹20800 at 5% per year for 2 years (in ₹)?
12. 12.What is the difference between the compound interest and the simple interest on ₹45200 at 25% per year for 2 years (in ₹)?
13. 13.Find the compound interest on ₹13200 at 15% per year for 2 years, compounded every year (in ₹).
14. 14.A scooter is worth ₹33900. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
15. 15.What is the difference between the compound interest and the simple interest on ₹58200 at 20% per year for 2 years (in ₹)?
16. 16.What is the difference between the compound interest and the simple interest on ₹10400 at 25% per year for 2 years (in ₹)?
17. 17.What is the difference between the compound interest and the simple interest on ₹42500 at 8% per year for 2 years (in ₹)?
18. 18.What is the difference between the compound interest and the simple interest on ₹42500 at 12% per year for 2 years (in ₹)?
19. 19.What is the difference between the compound interest and the simple interest on ₹5000 at 8% per year for 2 years (in ₹)?
20. 20.Find the compound interest on ₹25500 at 20% per year for 1 year, compounded every year (in ₹).
21. 21.A town has 59400 people. The population grows by 10% every year. What will the population be after 1 year?
22. 22.A town has 7100 people. The population grows by 8% every year. What will the population be after 1 year?
23. 23.What is the difference between the compound interest and the simple interest on ₹7500 at 8% per year for 2 years (in ₹)?
24. 24.Find the compound interest on ₹39000 at 25% per year for 1 year, compounded every year (in ₹).
25. 25.A town has 4000 people. The population grows by 5% every year. What will the population be after 2 years?
26. 26.Find the compound interest on ₹34100 at 25% per year for 1 year, compounded every year (in ₹).
27. 27.What amount will ₹11600 grow to in 2 years at 25% per year compound interest (in ₹)?
28. 28.What is the difference between the compound interest and the simple interest on ₹11100 at 20% per year for 2 years (in ₹)?
29. 29.What amount will ₹54300 grow to in 1 year at 15% per year compound interest (in ₹)?
30. 30.What amount will ₹42700 grow to in 1 year at 10% per year compound interest (in ₹)?
31. 31.Find the compound interest on ₹58200 at 5% per year for 1 year, compounded every year (in ₹).
32. 32.Find the compound interest on ₹55300 at 10% per year for 1 year, compounded every year (in ₹).
33. 33.A scooter is worth ₹16500. Its value falls by 25% every year. What will it be worth after 1 year (in ₹)?
34. 34.What is the difference between the compound interest and the simple interest on ₹2500 at 12% per year for 2 years (in ₹)?
35. 35.What is the difference between the compound interest and the simple interest on ₹34800 at 25% per year for 2 years (in ₹)?
36. 36.What is the difference between the compound interest and the simple interest on ₹34700 at 20% per year for 2 years (in ₹)?
37. 37.A scooter is worth ₹18800. Its value falls by 25% every year. What will it be worth after 2 years (in ₹)?
38. 38.What amount will ₹22800 grow to in 1 year at 4% per year compound interest (in ₹)?
39. 39.What amount will ₹41700 grow to in 1 year at 5% per year compound interest (in ₹)?
40. 40.What is the difference between the compound interest and the simple interest on ₹12500 at 8% per year for 2 years (in ₹)?

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