Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 556 · 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 ₹47000 grow to in 3 years at 20% per year compound interest (in ₹)?
2. 2.Find the compound interest on ₹33600 at 25% per year for 3 years, compounded every year (in ₹).
3. 3.What amount will ₹44800 grow to in 3 years at 25% per year compound interest (in ₹)?
4. 4.Find the compound interest on ₹22400 at 5% per year for 2 years, compounded every year (in ₹).
5. 5.A scooter is worth ₹10400. Its value falls by 20% every year. What will it be worth after 1 year (in ₹)?
6. 6.What amount will ₹30000 grow to in 2 years at 10% per year compound interest (in ₹)?
7. 7.What amount will ₹25200 grow to in 2 years at 5% per year compound interest (in ₹)?
8. 8.Find the compound interest on ₹25500 at 8% per year for 1 year, compounded every year (in ₹).
9. 9.What is the difference between the compound interest and the simple interest on ₹45000 at 12% per year for 2 years (in ₹)?
10. 10.A town has 31900 people. The population grows by 5% every year. What will the population be after 1 year?
11. 11.What is the difference between the compound interest and the simple interest on ₹2000 at 5% per year for 2 years (in ₹)?
12. 12.Find the compound interest on ₹55000 at 10% per year for 3 years, compounded every year (in ₹).
13. 13.What amount will ₹56000 grow to in 3 years at 5% per year compound interest (in ₹)?
14. 14.A scooter is worth ₹57500. Its value falls by 4% every year. What will it be worth after 2 years (in ₹)?
15. 15.Find the compound interest on ₹30100 at 12% per year for 1 year, compounded every year (in ₹).
16. 16.What amount will ₹7500 grow to in 2 years at 4% per year compound interest (in ₹)?
17. 17.A town has 12500 people. The population grows by 12% every year. What will the population be after 2 years?
18. 18.What amount will ₹14000 grow to in 3 years at 20% per year compound interest (in ₹)?
19. 19.Find the compound interest on ₹46000 at 5% per year for 2 years, compounded every year (in ₹).
20. 20.What is the difference between the compound interest and the simple interest on ₹32000 at 25% per year for 2 years (in ₹)?
21. 21.What amount will ₹49000 grow to in 3 years at 10% per year compound interest (in ₹)?
22. 22.A scooter is worth ₹7200. Its value falls by 10% every year. What will it be worth after 2 years (in ₹)?
23. 23.Find the compound interest on ₹38900 at 15% per year for 1 year, compounded every year (in ₹).
24. 24.What amount will ₹27900 grow to in 2 years at 10% per year compound interest (in ₹)?
25. 25.What amount will ₹28000 grow to in 1 year at 25% per year compound interest (in ₹)?
26. 26.A town has 44000 people. The population grows by 10% every year. What will the population be after 3 years?
27. 27.Find the compound interest on ₹24000 at 5% per year for 3 years, compounded every year (in ₹).
28. 28.A scooter is worth ₹15700. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
29. 29.Find the compound interest on ₹8000 at 5% per year for 3 years, compounded every year (in ₹).
30. 30.What is the difference between the compound interest and the simple interest on ₹15000 at 4% per year for 2 years (in ₹)?
31. 31.What amount will ₹24000 grow to in 3 years at 15% per year compound interest (in ₹)?
32. 32.What amount will ₹16000 grow to in 3 years at 5% per year compound interest (in ₹)?
33. 33.What amount will ₹30400 grow to in 1 year at 5% per year compound interest (in ₹)?
34. 34.What is the difference between the compound interest and the simple interest on ₹22500 at 4% per year for 2 years (in ₹)?
35. 35.What amount will ₹57500 grow to in 2 years at 4% per year compound interest (in ₹)?
36. 36.A scooter is worth ₹52800. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
37. 37.What amount will ₹42200 grow to in 2 years at 20% per year compound interest (in ₹)?
38. 38.What is the difference between the compound interest and the simple interest on ₹17500 at 8% per year for 2 years (in ₹)?
39. 39.Find the compound interest on ₹27200 at 10% per year for 1 year, compounded every year (in ₹).
40. 40.What is the difference between the compound interest and the simple interest on ₹42800 at 25% per year for 2 years (in ₹)?

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