Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 761 · 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 ₹45900 grow to in 2 years at 20% per year compound interest (in ₹)?
2. 2.A town has 10300 people. The population grows by 10% every year. What will the population be after 2 years?
3. 3.Find the compound interest on ₹12500 at 8% per year for 2 years, compounded every year (in ₹).
4. 4.What is the difference between the compound interest and the simple interest on ₹47600 at 5% per year for 2 years (in ₹)?
5. 5.A scooter is worth ₹47500. Its value falls by 12% every year. What will it be worth after 2 years (in ₹)?
6. 6.What amount will ₹29200 grow to in 1 year at 5% per year compound interest (in ₹)?
7. 7.What amount will ₹55600 grow to in 2 years at 25% per year compound interest (in ₹)?
8. 8.A town has 50000 people. The population grows by 12% every year. What will the population be after 2 years?
9. 9.What is the difference between the compound interest and the simple interest on ₹46700 at 10% per year for 2 years (in ₹)?
10. 10.Find the compound interest on ₹43600 at 5% per year for 2 years, compounded every year (in ₹).
11. 11.What amount will ₹50000 grow to in 2 years at 8% per year compound interest (in ₹)?
12. 12.What amount will ₹20600 grow to in 1 year at 25% per year compound interest (in ₹)?
13. 13.Find the compound interest on ₹30000 at 8% per year for 2 years, compounded every year (in ₹).
14. 14.What is the difference between the compound interest and the simple interest on ₹15100 at 10% per year for 2 years (in ₹)?
15. 15.Find the compound interest on ₹31000 at 12% per year for 1 year, compounded every year (in ₹).
16. 16.What is the difference between the compound interest and the simple interest on ₹12900 at 20% per year for 2 years (in ₹)?
17. 17.Find the compound interest on ₹27500 at 8% per year for 2 years, compounded every year (in ₹).
18. 18.What amount will ₹34000 grow to in 1 year at 5% per year compound interest (in ₹)?
19. 19.What is the difference between the compound interest and the simple interest on ₹4300 at 20% per year for 2 years (in ₹)?
20. 20.Find the compound interest on ₹40900 at 20% per year for 1 year, compounded every year (in ₹).
21. 21.What is the difference between the compound interest and the simple interest on ₹4000 at 10% per year for 2 years (in ₹)?
22. 22.A town has 37000 people. The population grows by 20% every year. What will the population be after 3 years?
23. 23.A town has 58000 people. The population grows by 25% every year. What will the population be after 2 years?
24. 24.Find the compound interest on ₹29100 at 10% per year for 2 years, compounded every year (in ₹).
25. 25.Find the compound interest on ₹11600 at 8% per year for 1 year, compounded every year (in ₹).
26. 26.A town has 57500 people. The population grows by 4% every year. What will the population be after 2 years?
27. 27.What amount will ₹35500 grow to in 1 year at 15% per year compound interest (in ₹)?
28. 28.What amount will ₹52500 grow to in 2 years at 8% per year compound interest (in ₹)?
29. 29.Find the compound interest on ₹24000 at 5% per year for 3 years, compounded every year (in ₹).
30. 30.Find the compound interest on ₹42500 at 8% per year for 1 year, compounded every year (in ₹).
31. 31.What amount will ₹10300 grow to in 1 year at 25% per year compound interest (in ₹)?
32. 32.What amount will ₹57200 grow to in 2 years at 10% per year compound interest (in ₹)?
33. 33.What amount will ₹30000 grow to in 2 years at 4% per year compound interest (in ₹)?
34. 34.What amount will ₹36300 grow to in 1 year at 5% per year compound interest (in ₹)?
35. 35.Find the compound interest on ₹40000 at 15% per year for 3 years, compounded every year (in ₹).
36. 36.What is the difference between the compound interest and the simple interest on ₹15000 at 4% per year for 2 years (in ₹)?
37. 37.Find the compound interest on ₹19100 at 4% per year for 1 year, compounded every year (in ₹).
38. 38.What is the difference between the compound interest and the simple interest on ₹44500 at 10% per year for 2 years (in ₹)?
39. 39.Find the compound interest on ₹28800 at 15% per year for 1 year, compounded every year (in ₹).
40. 40.What amount will ₹15700 grow to in 1 year at 8% per year compound interest (in ₹)?

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