Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 277 · 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.A town has 43400 people. The population grows by 8% every year. What will the population be after 1 year?
2. 2.What amount will ₹42000 grow to in 1 year at 8% per year compound interest (in ₹)?
3. 3.Find the compound interest on ₹40000 at 5% per year for 3 years, compounded every year (in ₹).
4. 4.What amount will ₹48000 grow to in 3 years at 15% per year compound interest (in ₹)?
5. 5.What amount will ₹16000 grow to in 3 years at 5% per year compound interest (in ₹)?
6. 6.What is the difference between the compound interest and the simple interest on ₹57500 at 4% per year for 2 years (in ₹)?
7. 7.Find the compound interest on ₹55600 at 5% per year for 2 years, compounded every year (in ₹).
8. 8.What is the difference between the compound interest and the simple interest on ₹45000 at 8% per year for 2 years (in ₹)?
9. 9.A scooter is worth ₹31100. Its value falls by 10% every year. What will it be worth after 2 years (in ₹)?
10. 10.Find the compound interest on ₹56600 at 20% per year for 1 year, compounded every year (in ₹).
11. 11.A scooter is worth ₹28000. Its value falls by 10% every year. What will it be worth after 3 years (in ₹)?
12. 12.Find the compound interest on ₹18000 at 10% per year for 1 year, compounded every year (in ₹).
13. 13.What amount will ₹34600 grow to in 2 years at 20% per year compound interest (in ₹)?
14. 14.What amount will ₹27600 grow to in 2 years at 5% per year compound interest (in ₹)?
15. 15.What is the difference between the compound interest and the simple interest on ₹9900 at 10% per year for 2 years (in ₹)?
16. 16.Find the compound interest on ₹23600 at 8% per year for 1 year, compounded every year (in ₹).
17. 17.Find the compound interest on ₹20800 at 25% per year for 3 years, compounded every year (in ₹).
18. 18.What is the difference between the compound interest and the simple interest on ₹60000 at 4% per year for 2 years (in ₹)?
19. 19.Find the compound interest on ₹29300 at 10% per year for 1 year, compounded every year (in ₹).
20. 20.A town has 6400 people. The population grows by 25% every year. What will the population be after 3 years?
21. 21.A town has 24000 people. The population grows by 5% every year. What will the population be after 3 years?
22. 22.Find the compound interest on ₹28800 at 25% per year for 2 years, compounded every year (in ₹).
23. 23.A town has 59600 people. The population grows by 15% every year. What will the population be after 2 years?
24. 24.What amount will ₹55000 grow to in 2 years at 4% per year compound interest (in ₹)?
25. 25.A town has 32500 people. The population grows by 12% every year. What will the population be after 2 years?
26. 26.Find the compound interest on ₹33300 at 8% per year for 1 year, compounded every year (in ₹).
27. 27.Find the compound interest on ₹34400 at 15% per year for 2 years, compounded every year (in ₹).
28. 28.What amount will ₹11600 grow to in 1 year at 4% per year compound interest (in ₹)?
29. 29.What amount will ₹43100 grow to in 2 years at 10% per year compound interest (in ₹)?
30. 30.What is the difference between the compound interest and the simple interest on ₹42000 at 5% per year for 2 years (in ₹)?
31. 31.What is the difference between the compound interest and the simple interest on ₹23000 at 10% per year for 2 years (in ₹)?
32. 32.Find the compound interest on ₹29100 at 5% per year for 1 year, compounded every year (in ₹).
33. 33.What amount will ₹58800 grow to in 1 year at 12% per year compound interest (in ₹)?
34. 34.A town has 29300 people. The population grows by 4% every year. What will the population be after 1 year?
35. 35.Find the compound interest on ₹17000 at 20% per year for 3 years, compounded every year (in ₹).
36. 36.What amount will ₹20600 grow to in 2 years at 10% per year compound interest (in ₹)?
37. 37.What amount will ₹37500 grow to in 2 years at 12% per year compound interest (in ₹)?
38. 38.Find the compound interest on ₹35900 at 10% per year for 2 years, compounded every year (in ₹).
39. 39.A scooter is worth ₹48000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
40. 40.A scooter is worth ₹47700. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?

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