Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 656 · 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 ₹59100 grow to in 1 year at 12% per year compound interest (in ₹)?
2. 2.A town has 15000 people. The population grows by 12% every year. What will the population be after 2 years?
3. 3.What is the difference between the compound interest and the simple interest on ₹54800 at 20% per year for 2 years (in ₹)?
4. 4.Find the compound interest on ₹2500 at 8% per year for 2 years, compounded every year (in ₹).
5. 5.What is the difference between the compound interest and the simple interest on ₹58400 at 5% per year for 2 years (in ₹)?
6. 6.What amount will ₹44000 grow to in 2 years at 25% per year compound interest (in ₹)?
7. 7.What amount will ₹46400 grow to in 3 years at 25% per year compound interest (in ₹)?
8. 8.What amount will ₹14400 grow to in 1 year at 4% per year compound interest (in ₹)?
9. 9.What amount will ₹5000 grow to in 2 years at 8% per year compound interest (in ₹)?
10. 10.Find the compound interest on ₹18900 at 8% per year for 1 year, compounded every year (in ₹).
11. 11.What amount will ₹13400 grow to in 1 year at 20% per year compound interest (in ₹)?
12. 12.A scooter is worth ₹10400. Its value falls by 20% every year. What will it be worth after 2 years (in ₹)?
13. 13.A scooter is worth ₹44200. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
14. 14.Find the compound interest on ₹34000 at 25% per year for 2 years, compounded every year (in ₹).
15. 15.What amount will ₹18100 grow to in 1 year at 8% per year compound interest (in ₹)?
16. 16.Find the compound interest on ₹13400 at 20% per year for 1 year, compounded every year (in ₹).
17. 17.Find the compound interest on ₹36300 at 25% per year for 1 year, compounded every year (in ₹).
18. 18.Find the compound interest on ₹15200 at 25% per year for 2 years, compounded every year (in ₹).
19. 19.What is the difference between the compound interest and the simple interest on ₹2500 at 12% per year for 2 years (in ₹)?
20. 20.What amount will ₹46900 grow to in 1 year at 25% per year compound interest (in ₹)?
21. 21.What is the difference between the compound interest and the simple interest on ₹25900 at 10% per year for 2 years (in ₹)?
22. 22.What amount will ₹52500 grow to in 2 years at 4% per year compound interest (in ₹)?
23. 23.A scooter is worth ₹31500. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
24. 24.Find the compound interest on ₹54700 at 10% per year for 2 years, compounded every year (in ₹).
25. 25.A scooter is worth ₹7500. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
26. 26.Find the compound interest on ₹56800 at 25% per year for 2 years, compounded every year (in ₹).
27. 27.Find the compound interest on ₹24000 at 5% per year for 3 years, compounded every year (in ₹).
28. 28.Find the compound interest on ₹9700 at 20% per year for 1 year, compounded every year (in ₹).
29. 29.What amount will ₹7100 grow to in 2 years at 20% per year compound interest (in ₹)?
30. 30.What is the difference between the compound interest and the simple interest on ₹48800 at 10% per year for 2 years (in ₹)?
31. 31.A town has 11400 people. The population grows by 20% every year. What will the population be after 1 year?
32. 32.What is the difference between the compound interest and the simple interest on ₹45200 at 5% per year for 2 years (in ₹)?
33. 33.Find the compound interest on ₹28700 at 25% per year for 1 year, compounded every year (in ₹).
34. 34.What is the difference between the compound interest and the simple interest on ₹5000 at 12% per year for 2 years (in ₹)?
35. 35.What is the difference between the compound interest and the simple interest on ₹28800 at 25% per year for 2 years (in ₹)?
36. 36.A scooter is worth ₹15600. Its value falls by 5% every year. What will it be worth after 2 years (in ₹)?
37. 37.What amount will ₹16000 grow to in 3 years at 25% per year compound interest (in ₹)?
38. 38.A town has 31900 people. The population grows by 4% every year. What will the population be after 1 year?
39. 39.Find the compound interest on ₹48700 at 12% per year for 1 year, compounded every year (in ₹).
40. 40.What is the difference between the compound interest and the simple interest on ₹3200 at 5% per year for 2 years (in ₹)?

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