Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 689 · 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.Find the compound interest on ₹60000 at 8% per year for 2 years, compounded every year (in ₹).
2. 2.What is the difference between the compound interest and the simple interest on ₹7200 at 15% per year for 2 years (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹27500 at 12% per year for 2 years (in ₹)?
4. 4.What amount will ₹36000 grow to in 1 year at 5% per year compound interest (in ₹)?
5. 5.What is the difference between the compound interest and the simple interest on ₹38400 at 20% per year for 2 years (in ₹)?
6. 6.What amount will ₹9900 grow to in 1 year at 10% per year compound interest (in ₹)?
7. 7.What is the difference between the compound interest and the simple interest on ₹31600 at 20% per year for 2 years (in ₹)?
8. 8.Find the compound interest on ₹40000 at 8% per year for 2 years, compounded every year (in ₹).
9. 9.Find the compound interest on ₹20000 at 5% per year for 2 years, compounded every year (in ₹).
10. 10.What is the difference between the compound interest and the simple interest on ₹17500 at 4% per year for 2 years (in ₹)?
11. 11.A scooter is worth ₹2500. Its value falls by 12% every year. What will it be worth after 2 years (in ₹)?
12. 12.Find the compound interest on ₹6100 at 20% per year for 1 year, compounded every year (in ₹).
13. 13.What is the difference between the compound interest and the simple interest on ₹43500 at 20% per year for 2 years (in ₹)?
14. 14.Find the compound interest on ₹20000 at 8% per year for 2 years, compounded every year (in ₹).
15. 15.What is the difference between the compound interest and the simple interest on ₹53900 at 10% per year for 2 years (in ₹)?
16. 16.Find the compound interest on ₹32400 at 20% per year for 1 year, compounded every year (in ₹).
17. 17.A town has 59500 people. The population grows by 5% every year. What will the population be after 1 year?
18. 18.What is the difference between the compound interest and the simple interest on ₹20000 at 25% per year for 2 years (in ₹)?
19. 19.A town has 27300 people. The population grows by 20% every year. What will the population be after 1 year?
20. 20.What is the difference between the compound interest and the simple interest on ₹27500 at 4% per year for 2 years (in ₹)?
21. 21.Find the compound interest on ₹49200 at 25% per year for 2 years, compounded every year (in ₹).
22. 22.A scooter is worth ₹8000. Its value falls by 15% every year. What will it be worth after 3 years (in ₹)?
23. 23.What is the difference between the compound interest and the simple interest on ₹2500 at 4% per year for 2 years (in ₹)?
24. 24.A scooter is worth ₹22500. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
25. 25.What is the difference between the compound interest and the simple interest on ₹40000 at 12% per year for 2 years (in ₹)?
26. 26.A town has 22500 people. The population grows by 8% every year. What will the population be after 1 year?
27. 27.What amount will ₹39900 grow to in 1 year at 5% per year compound interest (in ₹)?
28. 28.What amount will ₹43400 grow to in 1 year at 4% per year compound interest (in ₹)?
29. 29.A town has 40300 people. The population grows by 20% every year. What will the population be after 1 year?
30. 30.What is the difference between the compound interest and the simple interest on ₹44500 at 10% per year for 2 years (in ₹)?
31. 31.Find the compound interest on ₹48400 at 10% per year for 2 years, compounded every year (in ₹).
32. 32.Find the compound interest on ₹24000 at 20% per year for 2 years, compounded every year (in ₹).
33. 33.A town has 24000 people. The population grows by 25% every year. What will the population be after 3 years?
34. 34.What amount will ₹32000 grow to in 3 years at 20% per year compound interest (in ₹)?
35. 35.What is the difference between the compound interest and the simple interest on ₹25000 at 8% per year for 2 years (in ₹)?
36. 36.What amount will ₹37500 grow to in 2 years at 4% per year compound interest (in ₹)?
37. 37.A scooter is worth ₹53700. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
38. 38.A scooter is worth ₹57500. Its value falls by 12% every year. What will it be worth after 2 years (in ₹)?
39. 39.What amount will ₹27500 grow to in 3 years at 20% per year compound interest (in ₹)?
40. 40.Find the compound interest on ₹21000 at 10% per year for 2 years, compounded every year (in ₹).

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