Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 579 · 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 scooter is worth ₹16000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
2. 2.What amount will ₹12400 grow to in 2 years at 15% per year compound interest (in ₹)?
3. 3.Find the compound interest on ₹52500 at 12% per year for 2 years, compounded every year (in ₹).
4. 4.Find the compound interest on ₹5000 at 12% per year for 2 years, compounded every year (in ₹).
5. 5.A town has 6000 people. The population grows by 25% every year. What will the population be after 2 years?
6. 6.What is the difference between the compound interest and the simple interest on ₹50000 at 12% per year for 2 years (in ₹)?
7. 7.What is the difference between the compound interest and the simple interest on ₹10000 at 8% per year for 2 years (in ₹)?
8. 8.What amount will ₹8000 grow to in 3 years at 15% per year compound interest (in ₹)?
9. 9.What is the difference between the compound interest and the simple interest on ₹15000 at 4% per year for 2 years (in ₹)?
10. 10.A town has 36000 people. The population grows by 10% every year. What will the population be after 3 years?
11. 11.What is the difference between the compound interest and the simple interest on ₹7500 at 8% per year for 2 years (in ₹)?
12. 12.A scooter is worth ₹32500. Its value falls by 20% every year. What will it be worth after 3 years (in ₹)?
13. 13.Find the compound interest on ₹48000 at 15% per year for 3 years, compounded every year (in ₹).
14. 14.What is the difference between the compound interest and the simple interest on ₹12500 at 8% per year for 2 years (in ₹)?
15. 15.Find the compound interest on ₹40000 at 15% per year for 3 years, compounded every year (in ₹).
16. 16.Find the compound interest on ₹15000 at 12% per year for 2 years, compounded every year (in ₹).
17. 17.What amount will ₹30000 grow to in 2 years at 8% per year compound interest (in ₹)?
18. 18.What amount will ₹32200 grow to in 2 years at 20% per year compound interest (in ₹)?
19. 19.What is the difference between the compound interest and the simple interest on ₹39600 at 25% per year for 2 years (in ₹)?
20. 20.A town has 3000 people. The population grows by 20% every year. What will the population be after 1 year?
21. 21.What amount will ₹8000 grow to in 2 years at 5% per year compound interest (in ₹)?
22. 22.What amount will ₹40000 grow to in 2 years at 12% per year compound interest (in ₹)?
23. 23.What is the difference between the compound interest and the simple interest on ₹52500 at 8% per year for 2 years (in ₹)?
24. 24.What is the difference between the compound interest and the simple interest on ₹45000 at 8% per year for 2 years (in ₹)?
25. 25.What amount will ₹42500 grow to in 2 years at 8% per year compound interest (in ₹)?
26. 26.What is the difference between the compound interest and the simple interest on ₹50000 at 8% per year for 2 years (in ₹)?
27. 27.What amount will ₹32400 grow to in 2 years at 10% per year compound interest (in ₹)?
28. 28.Find the compound interest on ₹7700 at 10% per year for 1 year, compounded every year (in ₹).
29. 29.A scooter is worth ₹57800. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
30. 30.A scooter is worth ₹37500. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
31. 31.What is the difference between the compound interest and the simple interest on ₹17600 at 15% per year for 2 years (in ₹)?
32. 32.A town has 45700 people. The population grows by 20% every year. What will the population be after 2 years?
33. 33.A scooter is worth ₹56800. Its value falls by 15% every year. What will it be worth after 2 years (in ₹)?
34. 34.What amount will ₹24500 grow to in 3 years at 20% per year compound interest (in ₹)?
35. 35.A scooter is worth ₹22800. Its value falls by 5% every year. What will it be worth after 2 years (in ₹)?
36. 36.Find the compound interest on ₹57900 at 20% per year for 1 year, compounded every year (in ₹).
37. 37.Find the compound interest on ₹49400 at 4% per year for 1 year, compounded every year (in ₹).
38. 38.Find the compound interest on ₹46100 at 25% per year for 1 year, compounded every year (in ₹).
39. 39.Find the compound interest on ₹44000 at 10% per year for 3 years, compounded every year (in ₹).
40. 40.Find the compound interest on ₹37300 at 12% per year for 1 year, compounded every year (in ₹).

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