Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 647 · 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 ₹4600 grow to in 1 year at 10% per year compound interest (in ₹)?
2. 2.Find the compound interest on ₹33000 at 20% per year for 3 years, compounded every year (in ₹).
3. 3.Find the compound interest on ₹48000 at 5% per year for 3 years, compounded every year (in ₹).
4. 4.What amount will ₹32600 grow to in 1 year at 12% per year compound interest (in ₹)?
5. 5.What amount will ₹55400 grow to in 1 year at 20% per year compound interest (in ₹)?
6. 6.What amount will ₹58000 grow to in 2 years at 5% per year compound interest (in ₹)?
7. 7.A town has 37500 people. The population grows by 8% every year. What will the population be after 2 years?
8. 8.Find the compound interest on ₹12400 at 20% per year for 2 years, compounded every year (in ₹).
9. 9.What amount will ₹3600 grow to in 1 year at 10% per year compound interest (in ₹)?
10. 10.What is the difference between the compound interest and the simple interest on ₹52400 at 15% per year for 2 years (in ₹)?
11. 11.A town has 21900 people. The population grows by 12% every year. What will the population be after 1 year?
12. 12.A scooter is worth ₹54700. Its value falls by 4% every year. What will it be worth after 1 year (in ₹)?
13. 13.A town has 5000 people. The population grows by 10% every year. What will the population be after 3 years?
14. 14.Find the compound interest on ₹3600 at 10% per year for 1 year, compounded every year (in ₹).
15. 15.A town has 7600 people. The population grows by 5% every year. What will the population be after 2 years?
16. 16.What amount will ₹37000 grow to in 3 years at 20% per year compound interest (in ₹)?
17. 17.What amount will ₹19200 grow to in 2 years at 15% per year compound interest (in ₹)?
18. 18.What is the difference between the compound interest and the simple interest on ₹51000 at 10% per year for 2 years (in ₹)?
19. 19.Find the compound interest on ₹51500 at 20% per year for 3 years, compounded every year (in ₹).
20. 20.What is the difference between the compound interest and the simple interest on ₹47500 at 12% per year for 2 years (in ₹)?
21. 21.What amount will ₹29600 grow to in 1 year at 12% per year compound interest (in ₹)?
22. 22.Find the compound interest on ₹52200 at 4% per year for 1 year, compounded every year (in ₹).
23. 23.Find the compound interest on ₹24000 at 15% per year for 3 years, compounded every year (in ₹).
24. 24.Find the compound interest on ₹47800 at 12% per year for 1 year, compounded every year (in ₹).
25. 25.What amount will ₹9200 grow to in 2 years at 15% per year compound interest (in ₹)?
26. 26.What amount will ₹57500 grow to in 2 years at 4% per year compound interest (in ₹)?
27. 27.What amount will ₹15600 grow to in 1 year at 8% per year compound interest (in ₹)?
28. 28.What amount will ₹4700 grow to in 1 year at 12% per year compound interest (in ₹)?
29. 29.What amount will ₹4800 grow to in 1 year at 25% per year compound interest (in ₹)?
30. 30.Find the compound interest on ₹48000 at 10% per year for 3 years, compounded every year (in ₹).
31. 31.A town has 30000 people. The population grows by 12% every year. What will the population be after 2 years?
32. 32.What amount will ₹56600 grow to in 1 year at 4% per year compound interest (in ₹)?
33. 33.What is the difference between the compound interest and the simple interest on ₹20000 at 8% per year for 2 years (in ₹)?
34. 34.What is the difference between the compound interest and the simple interest on ₹58400 at 20% per year for 2 years (in ₹)?
35. 35.Find the compound interest on ₹16000 at 15% per year for 3 years, compounded every year (in ₹).
36. 36.A town has 56900 people. The population grows by 20% every year. What will the population be after 2 years?
37. 37.What amount will ₹11700 grow to in 1 year at 10% per year compound interest (in ₹)?
38. 38.Find the compound interest on ₹52100 at 4% per year for 1 year, compounded every year (in ₹).
39. 39.Find the compound interest on ₹7700 at 20% per year for 1 year, compounded every year (in ₹).
40. 40.A town has 11400 people. The population grows by 10% every year. What will the population be after 2 years?

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