Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 287 · 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 ₹40000 grow to in 2 years at 4% per year compound interest (in ₹)?
2. 2.A town has 10200 people. The population grows by 20% every year. What will the population be after 1 year?
3. 3.What amount will ₹40000 grow to in 3 years at 15% per year compound interest (in ₹)?
4. 4.A town has 44800 people. The population grows by 15% every year. What will the population be after 1 year?
5. 5.Find the compound interest on ₹37600 at 4% per year for 1 year, compounded every year (in ₹).
6. 6.A scooter is worth ₹32000. Its value falls by 25% every year. What will it be worth after 3 years (in ₹)?
7. 7.Find the compound interest on ₹21600 at 25% per year for 1 year, compounded every year (in ₹).
8. 8.Find the compound interest on ₹44900 at 20% per year for 2 years, compounded every year (in ₹).
9. 9.What amount will ₹2000 grow to in 1 year at 5% per year compound interest (in ₹)?
10. 10.What is the difference between the compound interest and the simple interest on ₹22500 at 8% per year for 2 years (in ₹)?
11. 11.What amount will ₹12700 grow to in 2 years at 10% per year compound interest (in ₹)?
12. 12.What amount will ₹48800 grow to in 2 years at 25% per year compound interest (in ₹)?
13. 13.What amount will ₹57500 grow to in 2 years at 8% per year compound interest (in ₹)?
14. 14.What is the difference between the compound interest and the simple interest on ₹48400 at 15% per year for 2 years (in ₹)?
15. 15.What is the difference between the compound interest and the simple interest on ₹15000 at 4% per year for 2 years (in ₹)?
16. 16.Find the compound interest on ₹23000 at 10% per year for 3 years, compounded every year (in ₹).
17. 17.Find the compound interest on ₹25000 at 12% per year for 2 years, compounded every year (in ₹).
18. 18.What amount will ₹2900 grow to in 1 year at 20% per year compound interest (in ₹)?
19. 19.A scooter is worth ₹41000. Its value falls by 10% every year. What will it be worth after 3 years (in ₹)?
20. 20.Find the compound interest on ₹32000 at 10% per year for 3 years, compounded every year (in ₹).
21. 21.A town has 59400 people. The population grows by 8% every year. What will the population be after 1 year?
22. 22.A scooter is worth ₹2500. Its value falls by 4% every year. What will it be worth after 2 years (in ₹)?
23. 23.Find the compound interest on ₹9200 at 25% per year for 2 years, compounded every year (in ₹).
24. 24.What amount will ₹16500 grow to in 2 years at 10% per year compound interest (in ₹)?
25. 25.A town has 19600 people. The population grows by 12% every year. What will the population be after 1 year?
26. 26.Find the compound interest on ₹11200 at 8% per year for 1 year, compounded every year (in ₹).
27. 27.Find the compound interest on ₹49000 at 10% per year for 3 years, compounded every year (in ₹).
28. 28.Find the compound interest on ₹42500 at 4% per year for 2 years, compounded every year (in ₹).
29. 29.What amount will ₹15800 grow to in 1 year at 15% per year compound interest (in ₹)?
30. 30.A scooter is worth ₹27500. Its value falls by 12% every year. What will it be worth after 2 years (in ₹)?
31. 31.Find the compound interest on ₹40000 at 15% per year for 3 years, compounded every year (in ₹).
32. 32.What amount will ₹23800 grow to in 1 year at 8% per year compound interest (in ₹)?
33. 33.What amount will ₹24000 grow to in 3 years at 15% per year compound interest (in ₹)?
34. 34.What amount will ₹30400 grow to in 2 years at 25% per year compound interest (in ₹)?
35. 35.What is the difference between the compound interest and the simple interest on ₹22500 at 12% per year for 2 years (in ₹)?
36. 36.What amount will ₹52300 grow to in 1 year at 15% per year compound interest (in ₹)?
37. 37.A scooter is worth ₹32500. Its value falls by 20% every year. What will it be worth after 3 years (in ₹)?
38. 38.A scooter is worth ₹5000. Its value falls by 4% every year. What will it be worth after 2 years (in ₹)?
39. 39.A town has 48000 people. The population grows by 5% every year. What will the population be after 3 years?
40. 40.What amount will ₹27900 grow to in 1 year at 15% per year compound interest (in ₹)?

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