Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 462 · 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 ₹58000 grow to in 3 years at 10% per year compound interest (in ₹)?
2. 2.What is the difference between the compound interest and the simple interest on ₹2800 at 5% per year for 2 years (in ₹)?
3. 3.Find the compound interest on ₹56000 at 10% per year for 3 years, compounded every year (in ₹).
4. 4.What is the difference between the compound interest and the simple interest on ₹47200 at 15% per year for 2 years (in ₹)?
5. 5.Find the compound interest on ₹18200 at 8% per year for 1 year, compounded every year (in ₹).
6. 6.Find the compound interest on ₹56000 at 5% per year for 3 years, compounded every year (in ₹).
7. 7.A scooter is worth ₹24000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
8. 8.A town has 36800 people. The population grows by 15% every year. What will the population be after 1 year?
9. 9.What is the difference between the compound interest and the simple interest on ₹42800 at 20% per year for 2 years (in ₹)?
10. 10.What amount will ₹52500 grow to in 2 years at 4% per year compound interest (in ₹)?
11. 11.What amount will ₹26000 grow to in 3 years at 10% per year compound interest (in ₹)?
12. 12.Find the compound interest on ₹60000 at 8% per year for 2 years, compounded every year (in ₹).
13. 13.What amount will ₹10000 grow to in 3 years at 10% per year compound interest (in ₹)?
14. 14.Find the compound interest on ₹7500 at 8% per year for 2 years, compounded every year (in ₹).
15. 15.What amount will ₹19000 grow to in 2 years at 10% per year compound interest (in ₹)?
16. 16.Find the compound interest on ₹34700 at 8% per year for 1 year, compounded every year (in ₹).
17. 17.A scooter is worth ₹42000. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
18. 18.Find the compound interest on ₹57600 at 25% per year for 3 years, compounded every year (in ₹).
19. 19.What amount will ₹44900 grow to in 2 years at 10% per year compound interest (in ₹)?
20. 20.What amount will ₹56000 grow to in 2 years at 5% per year compound interest (in ₹)?
21. 21.Find the compound interest on ₹17200 at 20% per year for 1 year, compounded every year (in ₹).
22. 22.A scooter is worth ₹4300. Its value falls by 25% every year. What will it be worth after 1 year (in ₹)?
23. 23.What amount will ₹8000 grow to in 2 years at 5% per year compound interest (in ₹)?
24. 24.Find the compound interest on ₹13700 at 12% per year for 1 year, compounded every year (in ₹).
25. 25.Find the compound interest on ₹17200 at 15% per year for 1 year, compounded every year (in ₹).
26. 26.What amount will ₹28200 grow to in 1 year at 5% per year compound interest (in ₹)?
27. 27.Find the compound interest on ₹60000 at 4% per year for 2 years, compounded every year (in ₹).
28. 28.What is the difference between the compound interest and the simple interest on ₹30000 at 8% per year for 2 years (in ₹)?
29. 29.A scooter is worth ₹42500. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
30. 30.Find the compound interest on ₹40100 at 12% per year for 1 year, compounded every year (in ₹).
31. 31.A scooter is worth ₹41000. Its value falls by 10% every year. What will it be worth after 3 years (in ₹)?
32. 32.What is the difference between the compound interest and the simple interest on ₹23200 at 5% per year for 2 years (in ₹)?
33. 33.What amount will ₹51400 grow to in 2 years at 20% per year compound interest (in ₹)?
34. 34.Find the compound interest on ₹32000 at 10% per year for 3 years, compounded every year (in ₹).
35. 35.What amount will ₹36500 grow to in 1 year at 5% per year compound interest (in ₹)?
36. 36.A town has 12800 people. The population grows by 8% every year. What will the population be after 1 year?
37. 37.What amount will ₹12500 grow to in 2 years at 8% per year compound interest (in ₹)?
38. 38.What is the difference between the compound interest and the simple interest on ₹5000 at 4% per year for 2 years (in ₹)?
39. 39.What amount will ₹10000 grow to in 2 years at 8% per year compound interest (in ₹)?
40. 40.What amount will ₹19600 grow to in 1 year at 5% per year compound interest (in ₹)?

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