Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 504 · 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 ₹35200 grow to in 2 years at 5% per year compound interest (in ₹)?
2. 2.What amount will ₹51500 grow to in 1 year at 25% per year compound interest (in ₹)?
3. 3.What amount will ₹20800 grow to in 3 years at 25% per year compound interest (in ₹)?
4. 4.What is the difference between the compound interest and the simple interest on ₹7500 at 12% per year for 2 years (in ₹)?
5. 5.Find the compound interest on ₹19500 at 20% per year for 1 year, compounded every year (in ₹).
6. 6.A scooter is worth ₹51200. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?
7. 7.What is the difference between the compound interest and the simple interest on ₹44400 at 15% per year for 2 years (in ₹)?
8. 8.What amount will ₹8000 grow to in 3 years at 5% per year compound interest (in ₹)?
9. 9.What amount will ₹55000 grow to in 2 years at 4% per year compound interest (in ₹)?
10. 10.A scooter is worth ₹24000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
11. 11.What amount will ₹55000 grow to in 2 years at 12% per year compound interest (in ₹)?
12. 12.Find the compound interest on ₹16200 at 15% per year for 1 year, compounded every year (in ₹).
13. 13.What amount will ₹48000 grow to in 3 years at 5% per year compound interest (in ₹)?
14. 14.What is the difference between the compound interest and the simple interest on ₹33600 at 5% per year for 2 years (in ₹)?
15. 15.What amount will ₹2500 grow to in 2 years at 12% per year compound interest (in ₹)?
16. 16.Find the compound interest on ₹37500 at 8% per year for 2 years, compounded every year (in ₹).
17. 17.What is the difference between the compound interest and the simple interest on ₹37600 at 5% per year for 2 years (in ₹)?
18. 18.Find the compound interest on ₹27300 at 10% per year for 1 year, compounded every year (in ₹).
19. 19.A scooter is worth ₹42600. Its value falls by 20% every year. What will it be worth after 1 year (in ₹)?
20. 20.What is the difference between the compound interest and the simple interest on ₹17700 at 10% per year for 2 years (in ₹)?
21. 21.What is the difference between the compound interest and the simple interest on ₹26100 at 10% per year for 2 years (in ₹)?
22. 22.What is the difference between the compound interest and the simple interest on ₹55000 at 4% per year for 2 years (in ₹)?
23. 23.A scooter is worth ₹20900. Its value falls by 25% every year. What will it be worth after 1 year (in ₹)?
24. 24.What amount will ₹54000 grow to in 2 years at 25% per year compound interest (in ₹)?
25. 25.Find the compound interest on ₹11600 at 25% per year for 2 years, compounded every year (in ₹).
26. 26.Find the compound interest on ₹6000 at 5% per year for 2 years, compounded every year (in ₹).
27. 27.What amount will ₹40000 grow to in 3 years at 15% per year compound interest (in ₹)?
28. 28.What is the difference between the compound interest and the simple interest on ₹59600 at 5% per year for 2 years (in ₹)?
29. 29.What amount will ₹41500 grow to in 1 year at 15% per year compound interest (in ₹)?
30. 30.What is the difference between the compound interest and the simple interest on ₹25900 at 20% per year for 2 years (in ₹)?
31. 31.Find the compound interest on ₹8000 at 5% per year for 3 years, compounded every year (in ₹).
32. 32.A scooter is worth ₹25500. Its value falls by 15% 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 ₹47200 at 15% per year for 2 years (in ₹)?
34. 34.What amount will ₹32500 grow to in 2 years at 8% per year compound interest (in ₹)?
35. 35.What amount will ₹40100 grow to in 2 years at 20% per year compound interest (in ₹)?
36. 36.Find the compound interest on ₹19200 at 25% per year for 3 years, compounded every year (in ₹).
37. 37.Find the compound interest on ₹28800 at 25% per year for 3 years, compounded every year (in ₹).
38. 38.Find the compound interest on ₹40000 at 5% per year for 3 years, compounded every year (in ₹).
39. 39.What amount will ₹43600 grow to in 2 years at 5% per year compound interest (in ₹)?
40. 40.Find the compound interest on ₹2800 at 5% per year for 2 years, compounded every year (in ₹).

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