Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 63 · 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 ₹24900 at 4% per year for 1 year, compounded every year (in ₹).
2. 2.Find the compound interest on ₹48500 at 8% per year for 1 year, compounded every year (in ₹).
3. 3.What is the difference between the compound interest and the simple interest on ₹10000 at 8% per year for 2 years (in ₹)?
4. 4.What is the difference between the compound interest and the simple interest on ₹21100 at 20% per year for 2 years (in ₹)?
5. 5.What is the difference between the compound interest and the simple interest on ₹4400 at 25% per year for 2 years (in ₹)?
6. 6.Find the compound interest on ₹40000 at 5% per year for 3 years, compounded every year (in ₹).
7. 7.What is the difference between the compound interest and the simple interest on ₹32500 at 12% per year for 2 years (in ₹)?
8. 8.Find the compound interest on ₹11200 at 15% per year for 2 years, compounded every year (in ₹).
9. 9.What amount will ₹40000 grow to in 3 years at 15% per year compound interest (in ₹)?
10. 10.A town has 48300 people. The population grows by 20% every year. What will the population be after 1 year?
11. 11.A scooter is worth ₹52500. Its value falls by 4% every year. What will it be worth after 2 years (in ₹)?
12. 12.Find the compound interest on ₹14300 at 10% per year for 2 years, compounded every year (in ₹).
13. 13.Find the compound interest on ₹17400 at 25% per year for 1 year, compounded every year (in ₹).
14. 14.Find the compound interest on ₹16200 at 20% per year for 1 year, compounded every year (in ₹).
15. 15.What amount will ₹24800 grow to in 2 years at 25% per year compound interest (in ₹)?
16. 16.Find the compound interest on ₹51200 at 5% per year for 2 years, compounded every year (in ₹).
17. 17.A scooter is worth ₹48000. Its value falls by 15% every year. What will it be worth after 3 years (in ₹)?
18. 18.Find the compound interest on ₹24000 at 25% per year for 3 years, compounded every year (in ₹).
19. 19.Find the compound interest on ₹56800 at 25% per year for 2 years, compounded every year (in ₹).
20. 20.Find the compound interest on ₹35000 at 4% per year for 2 years, compounded every year (in ₹).
21. 21.Find the compound interest on ₹26600 at 4% per year for 1 year, compounded every year (in ₹).
22. 22.What amount will ₹38700 grow to in 1 year at 12% per year compound interest (in ₹)?
23. 23.Find the compound interest on ₹45800 at 5% per year for 1 year, compounded every year (in ₹).
24. 24.What is the difference between the compound interest and the simple interest on ₹57500 at 8% per year for 2 years (in ₹)?
25. 25.What amount will ₹7500 grow to in 2 years at 12% per year compound interest (in ₹)?
26. 26.A town has 6800 people. The population grows by 20% every year. What will the population be after 2 years?
27. 27.What amount will ₹30200 grow to in 2 years at 20% per year compound interest (in ₹)?
28. 28.A town has 9200 people. The population grows by 5% every year. What will the population be after 2 years?
29. 29.What amount will ₹40400 grow to in 1 year at 12% per year compound interest (in ₹)?
30. 30.A scooter is worth ₹49100. Its value falls by 20% every year. What will it be worth after 2 years (in ₹)?
31. 31.Find the compound interest on ₹3500 at 4% per year for 1 year, compounded every year (in ₹).
32. 32.A scooter is worth ₹12400. Its value falls by 5% every year. What will it be worth after 2 years (in ₹)?
33. 33.What amount will ₹57500 grow to in 2 years at 8% per year compound interest (in ₹)?
34. 34.What amount will ₹37000 grow to in 3 years at 10% per year compound interest (in ₹)?
35. 35.What amount will ₹24000 grow to in 3 years at 5% per year compound interest (in ₹)?
36. 36.What amount will ₹53200 grow to in 1 year at 5% per year compound interest (in ₹)?
37. 37.What is the difference between the compound interest and the simple interest on ₹25400 at 20% per year for 2 years (in ₹)?
38. 38.What is the difference between the compound interest and the simple interest on ₹14500 at 20% per year for 2 years (in ₹)?
39. 39.Find the compound interest on ₹2000 at 5% per year for 2 years, compounded every year (in ₹).
40. 40.What is the difference between the compound interest and the simple interest on ₹47500 at 4% per year for 2 years (in ₹)?

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