Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 896 · 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.A scooter is worth ₹24000. Its value falls by 15% every year. What will it be worth after 3 years (in ₹)?
2. 2.What is the difference between the compound interest and the simple interest on ₹43000 at 10% per year for 2 years (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹2500 at 8% per year for 2 years (in ₹)?
4. 4.Find the compound interest on ₹51600 at 25% per year for 2 years, compounded every year (in ₹).
5. 5.Find the compound interest on ₹42500 at 8% per year for 2 years, compounded every year (in ₹).
6. 6.What is the difference between the compound interest and the simple interest on ₹38600 at 10% per year for 2 years (in ₹)?
7. 7.What is the difference between the compound interest and the simple interest on ₹25600 at 25% per year for 2 years (in ₹)?
8. 8.A town has 24200 people. The population grows by 4% every year. What will the population be after 1 year?
9. 9.A town has 30400 people. The population grows by 25% every year. What will the population be after 1 year?
10. 10.What is the difference between the compound interest and the simple interest on ₹8800 at 5% per year for 2 years (in ₹)?
11. 11.Find the compound interest on ₹59200 at 25% per year for 2 years, compounded every year (in ₹).
12. 12.A scooter is worth ₹40000. Its value falls by 15% every year. What will it be worth after 3 years (in ₹)?
13. 13.Find the compound interest on ₹2900 at 10% per year for 1 year, compounded every year (in ₹).
14. 14.Find the compound interest on ₹6400 at 10% per year for 1 year, compounded every year (in ₹).
15. 15.Find the compound interest on ₹9900 at 20% per year for 2 years, compounded every year (in ₹).
16. 16.Find the compound interest on ₹14000 at 25% per year for 2 years, compounded every year (in ₹).
17. 17.A town has 16000 people. The population grows by 5% every year. What will the population be after 3 years?
18. 18.Find the compound interest on ₹6900 at 20% per year for 1 year, compounded every year (in ₹).
19. 19.What is the difference between the compound interest and the simple interest on ₹22500 at 20% per year for 2 years (in ₹)?
20. 20.Find the compound interest on ₹35300 at 10% per year for 2 years, compounded every year (in ₹).
21. 21.Find the compound interest on ₹40400 at 12% per year for 1 year, compounded every year (in ₹).
22. 22.What is the difference between the compound interest and the simple interest on ₹13600 at 5% per year for 2 years (in ₹)?
23. 23.Find the compound interest on ₹43300 at 10% per year for 1 year, compounded every year (in ₹).
24. 24.A scooter is worth ₹36000. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
25. 25.What is the difference between the compound interest and the simple interest on ₹2000 at 15% per year for 2 years (in ₹)?
26. 26.Find the compound interest on ₹2500 at 4% per year for 2 years, compounded every year (in ₹).
27. 27.What is the difference between the compound interest and the simple interest on ₹7600 at 5% per year for 2 years (in ₹)?
28. 28.A scooter is worth ₹48900. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
29. 29.What amount will ₹21600 grow to in 2 years at 10% per year compound interest (in ₹)?
30. 30.A town has 28800 people. The population grows by 20% every year. What will the population be after 1 year?
31. 31.A town has 35500 people. The population grows by 20% every year. What will the population be after 2 years?
32. 32.What amount will ₹5200 grow to in 2 years at 15% per year compound interest (in ₹)?
33. 33.What amount will ₹10400 grow to in 2 years at 5% per year compound interest (in ₹)?
34. 34.What is the difference between the compound interest and the simple interest on ₹35000 at 8% per year for 2 years (in ₹)?
35. 35.Find the compound interest on ₹22400 at 25% per year for 3 years, compounded every year (in ₹).
36. 36.What amount will ₹7500 grow to in 2 years at 8% per year compound interest (in ₹)?
37. 37.Find the compound interest on ₹40200 at 10% per year for 2 years, compounded every year (in ₹).
38. 38.What amount will ₹11600 grow to in 2 years at 15% per year compound interest (in ₹)?
39. 39.What amount will ₹12500 grow to in 2 years at 4% per year compound interest (in ₹)?
40. 40.What amount will ₹19700 grow to in 1 year at 12% per year compound interest (in ₹)?

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