Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 593 · 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.Find the compound interest on ₹37800 at 10% per year for 2 years, compounded every year (in ₹).
2. 2.Find the compound interest on ₹48000 at 15% per year for 3 years, compounded every year (in ₹).
3. 3.A scooter is worth ₹7500. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
4. 4.What is the difference between the compound interest and the simple interest on ₹23600 at 25% per year for 2 years (in ₹)?
5. 5.What amount will ₹6800 grow to in 2 years at 5% per year compound interest (in ₹)?
6. 6.Find the compound interest on ₹15200 at 4% per year for 1 year, compounded every year (in ₹).
7. 7.A scooter is worth ₹17000. Its value falls by 25% every year. What will it be worth after 1 year (in ₹)?
8. 8.What is the difference between the compound interest and the simple interest on ₹7600 at 10% per year for 2 years (in ₹)?
9. 9.Find the compound interest on ₹32000 at 5% per year for 3 years, compounded every year (in ₹).
10. 10.Find the compound interest on ₹35300 at 12% per year for 1 year, compounded every year (in ₹).
11. 11.What amount will ₹26000 grow to in 3 years at 10% per year compound interest (in ₹)?
12. 12.What is the difference between the compound interest and the simple interest on ₹52500 at 12% per year for 2 years (in ₹)?
13. 13.What amount will ₹10000 grow to in 2 years at 8% per year compound interest (in ₹)?
14. 14.Find the compound interest on ₹19200 at 25% per year for 3 years, compounded every year (in ₹).
15. 15.What is the difference between the compound interest and the simple interest on ₹7500 at 8% per year for 2 years (in ₹)?
16. 16.Find the compound interest on ₹25000 at 8% per year for 2 years, compounded every year (in ₹).
17. 17.What amount will ₹30000 grow to in 2 years at 15% per year compound interest (in ₹)?
18. 18.What is the difference between the compound interest and the simple interest on ₹17500 at 4% per year for 2 years (in ₹)?
19. 19.What is the difference between the compound interest and the simple interest on ₹52400 at 15% per year for 2 years (in ₹)?
20. 20.What amount will ₹31600 grow to in 1 year at 5% per year compound interest (in ₹)?
21. 21.Find the compound interest on ₹34000 at 4% per year for 1 year, compounded every year (in ₹).
22. 22.Find the compound interest on ₹50200 at 8% per year for 1 year, compounded every year (in ₹).
23. 23.Find the compound interest on ₹12500 at 8% per year for 2 years, compounded every year (in ₹).
24. 24.A town has 8000 people. The population grows by 15% every year. What will the population be after 3 years?
25. 25.Find the compound interest on ₹14800 at 12% per year for 1 year, compounded every year (in ₹).
26. 26.A scooter is worth ₹52000. Its value falls by 10% every year. What will it be worth after 3 years (in ₹)?
27. 27.What amount will ₹1600 grow to in 3 years at 25% per year compound interest (in ₹)?
28. 28.Find the compound interest on ₹6900 at 25% per year for 1 year, compounded every year (in ₹).
29. 29.What amount will ₹13200 grow to in 1 year at 5% per year compound interest (in ₹)?
30. 30.Find the compound interest on ₹34000 at 10% per year for 3 years, compounded every year (in ₹).
31. 31.What is the difference between the compound interest and the simple interest on ₹8800 at 15% per year for 2 years (in ₹)?
32. 32.Find the compound interest on ₹5200 at 15% per year for 2 years, compounded every year (in ₹).
33. 33.What amount will ₹24000 grow to in 3 years at 5% per year compound interest (in ₹)?
34. 34.What is the difference between the compound interest and the simple interest on ₹56000 at 5% per year for 2 years (in ₹)?
35. 35.Find the compound interest on ₹49000 at 20% per year for 3 years, compounded every year (in ₹).
36. 36.Find the compound interest on ₹6800 at 25% per year for 2 years, compounded every year (in ₹).
37. 37.A scooter is worth ₹7100. Its value falls by 4% every year. What will it be worth after 1 year (in ₹)?
38. 38.What is the difference between the compound interest and the simple interest on ₹37500 at 20% per year for 2 years (in ₹)?
39. 39.What amount will ₹37500 grow to in 2 years at 4% per year compound interest (in ₹)?
40. 40.What is the difference between the compound interest and the simple interest on ₹26200 at 20% per year for 2 years (in ₹)?

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