Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 56 · 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 ₹45000 at 4% per year for 2 years (in ₹)?
2. 2.Find the compound interest on ₹27500 at 4% per year for 2 years, compounded every year (in ₹).
3. 3.What amount will ₹57400 grow to in 1 year at 25% per year compound interest (in ₹)?
4. 4.A town has 31200 people. The population grows by 10% every year. What will the population be after 2 years?
5. 5.What amount will ₹40000 grow to in 2 years at 12% per year compound interest (in ₹)?
6. 6.A town has 9800 people. The population grows by 20% every year. What will the population be after 1 year?
7. 7.What is the difference between the compound interest and the simple interest on ₹30000 at 12% per year for 2 years (in ₹)?
8. 8.Find the compound interest on ₹52200 at 10% per year for 1 year, compounded every year (in ₹).
9. 9.What is the difference between the compound interest and the simple interest on ₹22500 at 12% per year for 2 years (in ₹)?
10. 10.What amount will ₹44700 grow to in 1 year at 8% per year compound interest (in ₹)?
11. 11.What amount will ₹56000 grow to in 3 years at 5% per year compound interest (in ₹)?
12. 12.What amount will ₹50600 grow to in 1 year at 4% per year compound interest (in ₹)?
13. 13.What is the difference between the compound interest and the simple interest on ₹34300 at 10% per year for 2 years (in ₹)?
14. 14.Find the compound interest on ₹56900 at 10% per year for 1 year, compounded every year (in ₹).
15. 15.What is the difference between the compound interest and the simple interest on ₹27600 at 25% per year for 2 years (in ₹)?
16. 16.Find the compound interest on ₹21400 at 5% per year for 1 year, compounded every year (in ₹).
17. 17.Find the compound interest on ₹7900 at 10% per year for 2 years, compounded every year (in ₹).
18. 18.What amount will ₹54300 grow to in 1 year at 10% per year compound interest (in ₹)?
19. 19.What amount will ₹46200 grow to in 1 year at 20% per year compound interest (in ₹)?
20. 20.What is the difference between the compound interest and the simple interest on ₹26400 at 20% per year for 2 years (in ₹)?
21. 21.Find the compound interest on ₹6100 at 12% per year for 1 year, compounded every year (in ₹).
22. 22.A town has 28800 people. The population grows by 25% every year. What will the population be after 3 years?
23. 23.What amount will ₹31000 grow to in 2 years at 10% per year compound interest (in ₹)?
24. 24.Find the compound interest on ₹22500 at 8% per year for 2 years, compounded every year (in ₹).
25. 25.Find the compound interest on ₹26800 at 12% per year for 1 year, compounded every year (in ₹).
26. 26.Find the compound interest on ₹25000 at 4% per year for 2 years, compounded every year (in ₹).
27. 27.Find the compound interest on ₹17000 at 10% per year for 3 years, compounded every year (in ₹).
28. 28.Find the compound interest on ₹33500 at 8% per year for 1 year, compounded every year (in ₹).
29. 29.A scooter is worth ₹2500. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
30. 30.What amount will ₹40500 grow to in 1 year at 10% per year compound interest (in ₹)?
31. 31.What amount will ₹37500 grow to in 2 years at 12% per year compound interest (in ₹)?
32. 32.A scooter is worth ₹39300. Its value falls by 8% every year. What will it be worth after 1 year (in ₹)?
33. 33.What is the difference between the compound interest and the simple interest on ₹45200 at 15% per year for 2 years (in ₹)?
34. 34.What amount will ₹15500 grow to in 3 years at 20% per year compound interest (in ₹)?
35. 35.Find the compound interest on ₹51800 at 25% per year for 1 year, compounded every year (in ₹).
36. 36.What amount will ₹5600 grow to in 2 years at 25% per year compound interest (in ₹)?
37. 37.What is the difference between the compound interest and the simple interest on ₹10000 at 12% per year for 2 years (in ₹)?
38. 38.Find the compound interest on ₹14400 at 25% per year for 3 years, compounded every year (in ₹).
39. 39.What amount will ₹32000 grow to in 3 years at 5% per year compound interest (in ₹)?
40. 40.What amount will ₹54000 grow to in 2 years at 5% per year compound interest (in ₹)?

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