Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 801 · 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 ₹59700 grow to in 1 year at 8% per year compound interest (in ₹)?
2. 2.What amount will ₹53500 grow to in 2 years at 20% per year compound interest (in ₹)?
3. 3.Find the compound interest on ₹17600 at 15% per year for 2 years, compounded every year (in ₹).
4. 4.What amount will ₹51900 grow to in 1 year at 5% per year compound interest (in ₹)?
5. 5.A scooter is worth ₹43600. Its value falls by 25% every year. What will it be worth after 2 years (in ₹)?
6. 6.What amount will ₹12300 grow to in 2 years at 10% per year compound interest (in ₹)?
7. 7.What is the difference between the compound interest and the simple interest on ₹14400 at 25% per year for 2 years (in ₹)?
8. 8.What is the difference between the compound interest and the simple interest on ₹52500 at 4% per year for 2 years (in ₹)?
9. 9.What is the difference between the compound interest and the simple interest on ₹2500 at 8% per year for 2 years (in ₹)?
10. 10.Find the compound interest on ₹57900 at 10% per year for 1 year, compounded every year (in ₹).
11. 11.A town has 46400 people. The population grows by 5% every year. What will the population be after 2 years?
12. 12.What is the difference between the compound interest and the simple interest on ₹15600 at 5% per year for 2 years (in ₹)?
13. 13.What amount will ₹41600 grow to in 2 years at 5% per year compound interest (in ₹)?
14. 14.What amount will ₹25200 grow to in 2 years at 25% per year compound interest (in ₹)?
15. 15.A scooter is worth ₹46300. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
16. 16.Find the compound interest on ₹46500 at 10% per year for 1 year, compounded every year (in ₹).
17. 17.Find the compound interest on ₹50900 at 10% per year for 2 years, compounded every year (in ₹).
18. 18.What amount will ₹48000 grow to in 3 years at 5% per year compound interest (in ₹)?
19. 19.A scooter is worth ₹2400. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
20. 20.Find the compound interest on ₹20900 at 10% per year for 1 year, compounded every year (in ₹).
21. 21.What is the difference between the compound interest and the simple interest on ₹32500 at 8% per year for 2 years (in ₹)?
22. 22.A scooter is worth ₹15000. Its value falls by 4% every year. What will it be worth after 2 years (in ₹)?
23. 23.A town has 9300 people. The population grows by 4% every year. What will the population be after 1 year?
24. 24.What is the difference between the compound interest and the simple interest on ₹37200 at 25% per year for 2 years (in ₹)?
25. 25.Find the compound interest on ₹55000 at 4% per year for 2 years, compounded every year (in ₹).
26. 26.What amount will ₹38100 grow to in 1 year at 8% per year compound interest (in ₹)?
27. 27.A scooter is worth ₹30200. Its value falls by 20% every year. What will it be worth after 1 year (in ₹)?
28. 28.Find the compound interest on ₹56000 at 15% per year for 3 years, compounded every year (in ₹).
29. 29.Find the compound interest on ₹31600 at 15% per year for 2 years, compounded every year (in ₹).
30. 30.What is the difference between the compound interest and the simple interest on ₹46400 at 5% per year for 2 years (in ₹)?
31. 31.A town has 42500 people. The population grows by 8% every year. What will the population be after 2 years?
32. 32.What is the difference between the compound interest and the simple interest on ₹12500 at 4% per year for 2 years (in ₹)?
33. 33.Find the compound interest on ₹42800 at 20% per year for 2 years, compounded every year (in ₹).
34. 34.A scooter is worth ₹20200. Its value falls by 10% every year. What will it be worth after 2 years (in ₹)?
35. 35.A town has 44500 people. The population grows by 5% every year. What will the population be after 1 year?
36. 36.Find the compound interest on ₹29000 at 10% per year for 3 years, compounded every year (in ₹).
37. 37.A scooter is worth ₹16800. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
38. 38.What amount will ₹27400 grow to in 1 year at 5% per year compound interest (in ₹)?
39. 39.What amount will ₹29000 grow to in 3 years at 20% per year compound interest (in ₹)?
40. 40.Find the compound interest on ₹47700 at 10% per year for 2 years, compounded every year (in ₹).

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