Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 486 · 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 is the difference between the compound interest and the simple interest on ₹32800 at 25% per year for 2 years (in ₹)?
2. 2.What amount will ₹35000 grow to in 2 years at 8% per year compound interest (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹23600 at 25% per year for 2 years (in ₹)?
4. 4.What amount will ₹15400 grow to in 1 year at 10% per year compound interest (in ₹)?
5. 5.What amount will ₹2900 grow to in 1 year at 5% per year compound interest (in ₹)?
6. 6.What amount will ₹30400 grow to in 3 years at 25% per year compound interest (in ₹)?
7. 7.What amount will ₹45300 grow to in 1 year at 20% per year compound interest (in ₹)?
8. 8.A scooter is worth ₹23100. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
9. 9.Find the compound interest on ₹27700 at 10% per year for 2 years, compounded every year (in ₹).
10. 10.Find the compound interest on ₹7600 at 25% per year for 2 years, compounded every year (in ₹).
11. 11.A scooter is worth ₹41900. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
12. 12.A scooter is worth ₹39000. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?
13. 13.What amount will ₹47000 grow to in 3 years at 10% per year compound interest (in ₹)?
14. 14.A town has 32000 people. The population grows by 10% every year. What will the population be after 3 years?
15. 15.What is the difference between the compound interest and the simple interest on ₹18800 at 5% per year for 2 years (in ₹)?
16. 16.What amount will ₹14500 grow to in 1 year at 8% per year compound interest (in ₹)?
17. 17.A town has 21500 people. The population grows by 5% every year. What will the population be after 1 year?
18. 18.Find the compound interest on ₹33600 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 ₹50900 at 10% per year for 2 years (in ₹)?
20. 20.Find the compound interest on ₹23600 at 5% per year for 2 years, compounded every year (in ₹).
21. 21.What amount will ₹5000 grow to in 2 years at 8% per year compound interest (in ₹)?
22. 22.What amount will ₹37000 grow to in 2 years at 20% per year compound interest (in ₹)?
23. 23.Find the compound interest on ₹47600 at 10% per year for 1 year, compounded every year (in ₹).
24. 24.What amount will ₹2400 grow to in 1 year at 20% per year compound interest (in ₹)?
25. 25.What is the difference between the compound interest and the simple interest on ₹58400 at 15% per year for 2 years (in ₹)?
26. 26.A town has 40000 people. The population grows by 5% every year. What will the population be after 3 years?
27. 27.What amount will ₹12300 grow to in 1 year at 25% per year compound interest (in ₹)?
28. 28.Find the compound interest on ₹42500 at 20% per year for 3 years, compounded every year (in ₹).
29. 29.What is the difference between the compound interest and the simple interest on ₹15000 at 4% per year for 2 years (in ₹)?
30. 30.Find the compound interest on ₹25900 at 12% per year for 1 year, compounded every year (in ₹).
31. 31.A scooter is worth ₹16000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
32. 32.What amount will ₹52500 grow to in 1 year at 20% per year compound interest (in ₹)?
33. 33.What amount will ₹22400 grow to in 2 years at 25% per year compound interest (in ₹)?
34. 34.Find the compound interest on ₹14600 at 10% per year for 1 year, compounded every year (in ₹).
35. 35.Find the compound interest on ₹42500 at 8% per year for 2 years, compounded every year (in ₹).
36. 36.Find the compound interest on ₹32000 at 5% per year for 3 years, compounded every year (in ₹).
37. 37.A town has 24000 people. The population grows by 15% every year. What will the population be after 3 years?
38. 38.What amount will ₹4800 grow to in 3 years at 25% per year compound interest (in ₹)?
39. 39.A scooter is worth ₹23100. Its value falls by 20% every year. What will it be worth after 2 years (in ₹)?
40. 40.What amount will ₹8000 grow to in 3 years at 15% per year compound interest (in ₹)?

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