Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 567 · 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 town has 36400 people. The population grows by 20% every year. What will the population be after 1 year?
2. 2.Find the compound interest on ₹27400 at 4% per year for 1 year, compounded every year (in ₹).
3. 3.What amount will ₹52000 grow to in 1 year at 10% per year compound interest (in ₹)?
4. 4.Find the compound interest on ₹51800 at 8% per year for 1 year, compounded every year (in ₹).
5. 5.What is the difference between the compound interest and the simple interest on ₹21300 at 20% per year for 2 years (in ₹)?
6. 6.What is the difference between the compound interest and the simple interest on ₹15000 at 8% per year for 2 years (in ₹)?
7. 7.Find the compound interest on ₹8000 at 5% per year for 3 years, compounded every year (in ₹).
8. 8.A scooter is worth ₹24000. Its value falls by 15% every year. What will it be worth after 3 years (in ₹)?
9. 9.What is the difference between the compound interest and the simple interest on ₹18000 at 20% per year for 2 years (in ₹)?
10. 10.Find the compound interest on ₹60000 at 12% per year for 2 years, compounded every year (in ₹).
11. 11.Find the compound interest on ₹38700 at 8% per year for 1 year, compounded every year (in ₹).
12. 12.What is the difference between the compound interest and the simple interest on ₹45000 at 12% per year for 2 years (in ₹)?
13. 13.A scooter is worth ₹21800. Its value falls by 20% every year. What will it be worth after 1 year (in ₹)?
14. 14.A scooter is worth ₹45100. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?
15. 15.Find the compound interest on ₹48300 at 15% per year for 1 year, compounded every year (in ₹).
16. 16.What amount will ₹59500 grow to in 1 year at 20% per year compound interest (in ₹)?
17. 17.What is the difference between the compound interest and the simple interest on ₹44400 at 25% per year for 2 years (in ₹)?
18. 18.Find the compound interest on ₹20200 at 5% per year for 1 year, compounded every year (in ₹).
19. 19.What amount will ₹37000 grow to in 3 years at 20% per year compound interest (in ₹)?
20. 20.A scooter is worth ₹8800. Its value falls by 20% every year. What will it be worth after 1 year (in ₹)?
21. 21.Find the compound interest on ₹26400 at 25% per year for 2 years, compounded every year (in ₹).
22. 22.What is the difference between the compound interest and the simple interest on ₹13200 at 25% per year for 2 years (in ₹)?
23. 23.Find the compound interest on ₹42500 at 12% per year for 2 years, compounded every year (in ₹).
24. 24.What amount will ₹2500 grow to in 2 years at 8% per year compound interest (in ₹)?
25. 25.Find the compound interest on ₹40000 at 12% per year for 2 years, compounded every year (in ₹).
26. 26.Find the compound interest on ₹5000 at 15% per year for 1 year, compounded every year (in ₹).
27. 27.What is the difference between the compound interest and the simple interest on ₹41600 at 5% per year for 2 years (in ₹)?
28. 28.A town has 51900 people. The population grows by 8% every year. What will the population be after 1 year?
29. 29.What is the difference between the compound interest and the simple interest on ₹55600 at 15% per year for 2 years (in ₹)?
30. 30.A scooter is worth ₹12000. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
31. 31.A scooter is worth ₹31800. Its value falls by 20% every year. What will it be worth after 1 year (in ₹)?
32. 32.Find the compound interest on ₹42300 at 5% per year for 1 year, compounded every year (in ₹).
33. 33.What is the difference between the compound interest and the simple interest on ₹50000 at 8% per year for 2 years (in ₹)?
34. 34.What is the difference between the compound interest and the simple interest on ₹6900 at 20% per year for 2 years (in ₹)?
35. 35.What amount will ₹40000 grow to in 2 years at 4% per year compound interest (in ₹)?
36. 36.A scooter is worth ₹5000. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
37. 37.Find the compound interest on ₹50800 at 8% per year for 1 year, compounded every year (in ₹).
38. 38.Find the compound interest on ₹8000 at 15% per year for 3 years, compounded every year (in ₹).
39. 39.Find the compound interest on ₹12000 at 5% per year for 1 year, compounded every year (in ₹).
40. 40.Find the compound interest on ₹38200 at 20% per year for 1 year, compounded every year (in ₹).

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