Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 513 · 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 scooter is worth ₹39900. Its value falls by 8% every year. What will it be worth after 1 year (in ₹)?
2. 2.A scooter is worth ₹57400. Its value falls by 8% every year. What will it be worth after 1 year (in ₹)?
3. 3.Find the compound interest on ₹41600 at 15% per year for 1 year, compounded every year (in ₹).
4. 4.A town has 29100 people. The population grows by 20% every year. What will the population be after 1 year?
5. 5.Find the compound interest on ₹45000 at 20% per year for 3 years, compounded every year (in ₹).
6. 6.Find the compound interest on ₹40000 at 15% per year for 3 years, compounded every year (in ₹).
7. 7.A town has 7500 people. The population grows by 8% every year. What will the population be after 2 years?
8. 8.A town has 57200 people. The population grows by 25% every year. What will the population be after 1 year?
9. 9.Find the compound interest on ₹30700 at 20% per year for 1 year, compounded every year (in ₹).
10. 10.Find the compound interest on ₹15100 at 10% per year for 1 year, compounded every year (in ₹).
11. 11.Find the compound interest on ₹28800 at 5% per year for 2 years, compounded every year (in ₹).
12. 12.A town has 52500 people. The population grows by 12% every year. What will the population be after 2 years?
13. 13.What is the difference between the compound interest and the simple interest on ₹55600 at 5% per year for 2 years (in ₹)?
14. 14.What is the difference between the compound interest and the simple interest on ₹56300 at 10% per year for 2 years (in ₹)?
15. 15.Find the compound interest on ₹4000 at 10% per year for 3 years, compounded every year (in ₹).
16. 16.Find the compound interest on ₹53600 at 5% per year for 2 years, compounded every year (in ₹).
17. 17.What is the difference between the compound interest and the simple interest on ₹47200 at 15% per year for 2 years (in ₹)?
18. 18.Find the compound interest on ₹5500 at 10% per year for 2 years, compounded every year (in ₹).
19. 19.What is the difference between the compound interest and the simple interest on ₹7200 at 15% per year for 2 years (in ₹)?
20. 20.Find the compound interest on ₹53200 at 15% per year for 2 years, compounded every year (in ₹).
21. 21.A scooter is worth ₹33400. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
22. 22.What is the difference between the compound interest and the simple interest on ₹50000 at 12% per year for 2 years (in ₹)?
23. 23.What is the difference between the compound interest and the simple interest on ₹23600 at 5% per year for 2 years (in ₹)?
24. 24.What amount will ₹50800 grow to in 2 years at 10% per year compound interest (in ₹)?
25. 25.A town has 44700 people. The population grows by 12% every year. What will the population be after 1 year?
26. 26.What is the difference between the compound interest and the simple interest on ₹46700 at 20% per year for 2 years (in ₹)?
27. 27.What amount will ₹57500 grow to in 2 years at 4% per year compound interest (in ₹)?
28. 28.What amount will ₹52700 grow to in 1 year at 25% per year compound interest (in ₹)?
29. 29.Find the compound interest on ₹13700 at 5% per year for 1 year, compounded every year (in ₹).
30. 30.Find the compound interest on ₹14800 at 25% per year for 1 year, compounded every year (in ₹).
31. 31.A town has 3700 people. The population grows by 10% every year. What will the population be after 2 years?
32. 32.Find the compound interest on ₹23800 at 12% per year for 1 year, compounded every year (in ₹).
33. 33.What is the difference between the compound interest and the simple interest on ₹44000 at 15% per year for 2 years (in ₹)?
34. 34.Find the compound interest on ₹16000 at 5% per year for 3 years, compounded every year (in ₹).
35. 35.What is the difference between the compound interest and the simple interest on ₹35000 at 12% per year for 2 years (in ₹)?
36. 36.What is the difference between the compound interest and the simple interest on ₹58800 at 5% per year for 2 years (in ₹)?
37. 37.A scooter is worth ₹58200. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
38. 38.A scooter is worth ₹29200. Its value falls by 25% every year. What will it be worth after 2 years (in ₹)?
39. 39.Find the compound interest on ₹9100 at 5% per year for 1 year, compounded every year (in ₹).
40. 40.Find the compound interest on ₹2800 at 5% per year for 2 years, compounded every year (in ₹).

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