Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 791 · 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 is the difference between the compound interest and the simple interest on ₹16900 at 10% per year for 2 years (in ₹)?
2. 2.Find the compound interest on ₹20400 at 25% per year for 1 year, compounded every year (in ₹).
3. 3.What is the difference between the compound interest and the simple interest on ₹15600 at 5% per year for 2 years (in ₹)?
4. 4.Find the compound interest on ₹38500 at 20% per year for 3 years, compounded every year (in ₹).
5. 5.What is the difference between the compound interest and the simple interest on ₹15000 at 4% per year for 2 years (in ₹)?
6. 6.Find the compound interest on ₹32000 at 5% per year for 3 years, compounded every year (in ₹).
7. 7.What amount will ₹30000 grow to in 2 years at 4% per year compound interest (in ₹)?
8. 8.What is the difference between the compound interest and the simple interest on ₹20000 at 12% per year for 2 years (in ₹)?
9. 9.A scooter is worth ₹45200. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
10. 10.What is the difference between the compound interest and the simple interest on ₹2200 at 20% per year for 2 years (in ₹)?
11. 11.A town has 23000 people. The population grows by 10% every year. What will the population be after 3 years?
12. 12.What is the difference between the compound interest and the simple interest on ₹7500 at 8% per year for 2 years (in ₹)?
13. 13.Find the compound interest on ₹37000 at 20% per year for 2 years, compounded every year (in ₹).
14. 14.What is the difference between the compound interest and the simple interest on ₹2700 at 10% per year for 2 years (in ₹)?
15. 15.A scooter is worth ₹17600. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?
16. 16.What amount will ₹20000 grow to in 2 years at 8% per year compound interest (in ₹)?
17. 17.A town has 16000 people. The population grows by 25% every year. What will the population be after 2 years?
18. 18.What is the difference between the compound interest and the simple interest on ₹49200 at 20% per year for 2 years (in ₹)?
19. 19.What amount will ₹49600 grow to in 3 years at 25% per year compound interest (in ₹)?
20. 20.A scooter is worth ₹36300. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
21. 21.A scooter is worth ₹23000. Its value falls by 10% every year. What will it be worth after 3 years (in ₹)?
22. 22.A town has 58800 people. The population grows by 5% every year. What will the population be after 2 years?
23. 23.Find the compound interest on ₹15600 at 5% per year for 1 year, compounded every year (in ₹).
24. 24.A town has 56300 people. The population grows by 10% every year. What will the population be after 2 years?
25. 25.Find the compound interest on ₹21600 at 15% per year for 2 years, compounded every year (in ₹).
26. 26.Find the compound interest on ₹20200 at 10% per year for 2 years, compounded every year (in ₹).
27. 27.A scooter is worth ₹23800. Its value falls by 20% every year. What will it be worth after 2 years (in ₹)?
28. 28.A scooter is worth ₹16000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
29. 29.What is the difference between the compound interest and the simple interest on ₹46400 at 5% per year for 2 years (in ₹)?
30. 30.What is the difference between the compound interest and the simple interest on ₹15200 at 5% per year for 2 years (in ₹)?
31. 31.What amount will ₹12300 grow to in 1 year at 4% per year compound interest (in ₹)?
32. 32.What amount will ₹11200 grow to in 2 years at 25% per year compound interest (in ₹)?
33. 33.What is the difference between the compound interest and the simple interest on ₹39600 at 15% per year for 2 years (in ₹)?
34. 34.Find the compound interest on ₹26000 at 25% per year for 1 year, compounded every year (in ₹).
35. 35.What is the difference between the compound interest and the simple interest on ₹37500 at 4% per year for 2 years (in ₹)?
36. 36.What amount will ₹7500 grow to in 2 years at 20% per year compound interest (in ₹)?
37. 37.Find the compound interest on ₹26200 at 15% per year for 1 year, compounded every year (in ₹).
38. 38.What amount will ₹25000 grow to in 2 years at 4% per year compound interest (in ₹)?
39. 39.What amount will ₹51600 grow to in 2 years at 5% per year compound interest (in ₹)?
40. 40.What is the difference between the compound interest and the simple interest on ₹12500 at 12% per year for 2 years (in ₹)?

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets