Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 255 · 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.Find the compound interest on ₹58800 at 25% per year for 1 year, compounded every year (in ₹).
2. 2.A scooter is worth ₹40000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹42800 at 5% per year for 2 years (in ₹)?
4. 4.A town has 39400 people. The population grows by 10% every year. What will the population be after 1 year?
5. 5.What is the difference between the compound interest and the simple interest on ₹10000 at 5% per year for 2 years (in ₹)?
6. 6.What amount will ₹48000 grow to in 3 years at 15% per year compound interest (in ₹)?
7. 7.What is the difference between the compound interest and the simple interest on ₹16500 at 10% per year for 2 years (in ₹)?
8. 8.Find the compound interest on ₹27500 at 4% per year for 2 years, compounded every year (in ₹).
9. 9.What amount will ₹12700 grow to in 1 year at 25% per year compound interest (in ₹)?
10. 10.A scooter is worth ₹23500. Its value falls by 20% every year. What will it be worth after 3 years (in ₹)?
11. 11.Find the compound interest on ₹25700 at 20% per year for 2 years, compounded every year (in ₹).
12. 12.What is the difference between the compound interest and the simple interest on ₹30000 at 8% per year for 2 years (in ₹)?
13. 13.What amount will ₹27600 grow to in 2 years at 15% per year compound interest (in ₹)?
14. 14.Find the compound interest on ₹34000 at 10% per year for 3 years, compounded every year (in ₹).
15. 15.A scooter is worth ₹47900. Its value falls by 20% every year. What will it be worth after 1 year (in ₹)?
16. 16.What amount will ₹37600 grow to in 1 year at 12% per year compound interest (in ₹)?
17. 17.A scooter is worth ₹38400. Its value falls by 10% every year. What will it be worth after 2 years (in ₹)?
18. 18.Find the compound interest on ₹6400 at 25% per year for 3 years, compounded every year (in ₹).
19. 19.What is the difference between the compound interest and the simple interest on ₹37500 at 4% per year for 2 years (in ₹)?
20. 20.What is the difference between the compound interest and the simple interest on ₹22400 at 5% per year for 2 years (in ₹)?
21. 21.What amount will ₹7000 grow to in 3 years at 10% per year compound interest (in ₹)?
22. 22.A scooter is worth ₹54400. Its value falls by 5% every year. What will it be worth after 2 years (in ₹)?
23. 23.What is the difference between the compound interest and the simple interest on ₹10000 at 12% per year for 2 years (in ₹)?
24. 24.What is the difference between the compound interest and the simple interest on ₹57200 at 25% per year for 2 years (in ₹)?
25. 25.A scooter is worth ₹10000. Its value falls by 4% every year. What will it be worth after 2 years (in ₹)?
26. 26.What amount will ₹49600 grow to in 2 years at 25% per year compound interest (in ₹)?
27. 27.What amount will ₹25500 grow to in 1 year at 20% per year compound interest (in ₹)?
28. 28.What is the difference between the compound interest and the simple interest on ₹21600 at 15% per year for 2 years (in ₹)?
29. 29.A scooter is worth ₹2500. Its value falls by 12% every year. What will it be worth after 2 years (in ₹)?
30. 30.What amount will ₹24800 grow to in 1 year at 4% per year compound interest (in ₹)?
31. 31.A scooter is worth ₹7300. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
32. 32.What is the difference between the compound interest and the simple interest on ₹9600 at 10% per year for 2 years (in ₹)?
33. 33.What amount will ₹55000 grow to in 2 years at 12% per year compound interest (in ₹)?
34. 34.What amount will ₹45700 grow to in 1 year at 5% per year compound interest (in ₹)?
35. 35.What amount will ₹9000 grow to in 3 years at 10% per year compound interest (in ₹)?
36. 36.Find the compound interest on ₹35200 at 15% per year for 2 years, compounded every year (in ₹).
37. 37.What amount will ₹34300 grow to in 1 year at 20% per year compound interest (in ₹)?
38. 38.A scooter is worth ₹30000. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?
39. 39.What amount will ₹20400 grow to in 1 year at 15% per year compound interest (in ₹)?
40. 40.A town has 50900 people. The population grows by 10% every year. What will the population be after 1 year?

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