Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 461 · 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 ₹30800 grow to in 1 year at 8% per year compound interest (in ₹)?
2. 2.What is the difference between the compound interest and the simple interest on ₹27500 at 4% per year for 2 years (in ₹)?
3. 3.Find the compound interest on ₹8000 at 25% per year for 2 years, compounded every year (in ₹).
4. 4.Find the compound interest on ₹27600 at 5% per year for 2 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.What is the difference between the compound interest and the simple interest on ₹10800 at 25% per year for 2 years (in ₹)?
7. 7.What is the difference between the compound interest and the simple interest on ₹14800 at 25% per year for 2 years (in ₹)?
8. 8.What is the difference between the compound interest and the simple interest on ₹20000 at 4% per year for 2 years (in ₹)?
9. 9.What amount will ₹44800 grow to in 3 years at 25% per year compound interest (in ₹)?
10. 10.Find the compound interest on ₹33600 at 10% per year for 2 years, compounded every year (in ₹).
11. 11.A scooter is worth ₹5000. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
12. 12.A town has 32500 people. The population grows by 8% every year. What will the population be after 2 years?
13. 13.A town has 11200 people. The population grows by 25% every year. What will the population be after 3 years?
14. 14.What is the difference between the compound interest and the simple interest on ₹15600 at 25% per year for 2 years (in ₹)?
15. 15.A town has 25000 people. The population grows by 4% every year. What will the population be after 2 years?
16. 16.What amount will ₹40000 grow to in 3 years at 25% per year compound interest (in ₹)?
17. 17.What is the difference between the compound interest and the simple interest on ₹14700 at 10% per year for 2 years (in ₹)?
18. 18.Find the compound interest on ₹3400 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 ₹41600 at 5% per year for 2 years (in ₹)?
20. 20.A town has 11000 people. The population grows by 10% every year. What will the population be after 3 years?
21. 21.Find the compound interest on ₹25900 at 10% per year for 1 year, compounded every year (in ₹).
22. 22.A scooter is worth ₹16600. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
23. 23.What amount will ₹32700 grow to in 1 year at 20% per year compound interest (in ₹)?
24. 24.Find the compound interest on ₹50000 at 12% per year for 2 years, compounded every year (in ₹).
25. 25.Find the compound interest on ₹52000 at 10% per year for 3 years, compounded every year (in ₹).
26. 26.What amount will ₹8000 grow to in 2 years at 5% per year compound interest (in ₹)?
27. 27.What amount will ₹24000 grow to in 3 years at 5% per year compound interest (in ₹)?
28. 28.Find the compound interest on ₹11200 at 20% per year for 1 year, compounded every year (in ₹).
29. 29.A scooter is worth ₹36000. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?
30. 30.Find the compound interest on ₹19000 at 20% per year for 1 year, compounded every year (in ₹).
31. 31.What amount will ₹49000 grow to in 3 years at 20% per year compound interest (in ₹)?
32. 32.Find the compound interest on ₹25300 at 12% per year for 1 year, compounded every year (in ₹).
33. 33.Find the compound interest on ₹38800 at 4% per year for 1 year, compounded every year (in ₹).
34. 34.Find the compound interest on ₹13600 at 12% per year for 1 year, compounded every year (in ₹).
35. 35.What amount will ₹7500 grow to in 1 year at 15% per year compound interest (in ₹)?
36. 36.Find the compound interest on ₹33600 at 15% per year for 2 years, compounded every year (in ₹).
37. 37.Find the compound interest on ₹12600 at 10% per year for 1 year, compounded every year (in ₹).
38. 38.What amount will ₹11700 grow to in 2 years at 10% per year compound interest (in ₹)?
39. 39.Find the compound interest on ₹2800 at 15% per year for 2 years, compounded every year (in ₹).
40. 40.Find the compound interest on ₹32400 at 5% per year for 1 year, compounded every year (in ₹).

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