Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 786 · 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 ₹56000 grow to in 3 years at 5% per year compound interest (in ₹)?
2. 2.What amount will ₹35200 grow to in 2 years at 5% per year compound interest (in ₹)?
3. 3.What amount will ₹6600 grow to in 1 year at 8% per year compound interest (in ₹)?
4. 4.A scooter is worth ₹48800. Its value falls by 25% every year. What will it be worth after 2 years (in ₹)?
5. 5.What amount will ₹58000 grow to in 1 year at 20% per year compound interest (in ₹)?
6. 6.Find the compound interest on ₹52800 at 5% per year for 1 year, compounded every year (in ₹).
7. 7.Find the compound interest on ₹8000 at 5% per year for 3 years, compounded every year (in ₹).
8. 8.What amount will ₹44600 grow to in 1 year at 4% per year compound interest (in ₹)?
9. 9.A scooter is worth ₹39700. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
10. 10.Find the compound interest on ₹60000 at 8% per year for 2 years, compounded every year (in ₹).
11. 11.What is the difference between the compound interest and the simple interest on ₹12400 at 25% per year for 2 years (in ₹)?
12. 12.What is the difference between the compound interest and the simple interest on ₹15000 at 12% per year for 2 years (in ₹)?
13. 13.A town has 60000 people. The population grows by 8% every year. What will the population be after 2 years?
14. 14.What amount will ₹40000 grow to in 3 years at 5% per year compound interest (in ₹)?
15. 15.What is the difference between the compound interest and the simple interest on ₹28900 at 10% per year for 2 years (in ₹)?
16. 16.What amount will ₹6200 grow to in 1 year at 8% per year compound interest (in ₹)?
17. 17.What is the difference between the compound interest and the simple interest on ₹11600 at 15% per year for 2 years (in ₹)?
18. 18.What amount will ₹33200 grow to in 2 years at 5% per year compound interest (in ₹)?
19. 19.What is the difference between the compound interest and the simple interest on ₹30000 at 12% per year for 2 years (in ₹)?
20. 20.A town has 4500 people. The population grows by 10% every year. What will the population be after 2 years?
21. 21.What amount will ₹24000 grow to in 1 year at 12% per year compound interest (in ₹)?
22. 22.A town has 2000 people. The population grows by 15% every year. What will the population be after 2 years?
23. 23.Find the compound interest on ₹15000 at 8% per year for 2 years, compounded every year (in ₹).
24. 24.Find the compound interest on ₹9600 at 15% per year for 2 years, compounded every year (in ₹).
25. 25.A town has 40600 people. The population grows by 10% every year. What will the population be after 2 years?
26. 26.Find the compound interest on ₹23600 at 10% per year for 1 year, compounded every year (in ₹).
27. 27.What is the difference between the compound interest and the simple interest on ₹40000 at 4% per year for 2 years (in ₹)?
28. 28.Find the compound interest on ₹32000 at 15% per year for 3 years, compounded every year (in ₹).
29. 29.What amount will ₹15000 grow to in 2 years at 8% per year compound interest (in ₹)?
30. 30.What amount will ₹37400 grow to in 1 year at 15% per year compound interest (in ₹)?
31. 31.What is the difference between the compound interest and the simple interest on ₹60000 at 12% per year for 2 years (in ₹)?
32. 32.What amount will ₹45000 grow to in 1 year at 4% per year compound interest (in ₹)?
33. 33.Find the compound interest on ₹27000 at 10% per year for 3 years, compounded every year (in ₹).
34. 34.Find the compound interest on ₹34900 at 25% per year for 1 year, compounded every year (in ₹).
35. 35.What is the difference between the compound interest and the simple interest on ₹60000 at 4% per year for 2 years (in ₹)?
36. 36.What amount will ₹10000 grow to in 2 years at 12% per year compound interest (in ₹)?
37. 37.Find the compound interest on ₹56200 at 12% per year for 1 year, compounded every year (in ₹).
38. 38.Find the compound interest on ₹30000 at 10% per year for 3 years, compounded every year (in ₹).
39. 39.What is the difference between the compound interest and the simple interest on ₹44800 at 25% per year for 2 years (in ₹)?
40. 40.What is the difference between the compound interest and the simple interest on ₹32500 at 12% per year for 2 years (in ₹)?

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