Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 292 · 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 ₹24000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
2. 2.What amount will ₹4800 grow to in 1 year at 4% per year compound interest (in ₹)?
3. 3.Find the compound interest on ₹41000 at 10% per year for 3 years, compounded every year (in ₹).
4. 4.A town has 50800 people. The population grows by 15% every year. What will the population be after 2 years?
5. 5.What is the difference between the compound interest and the simple interest on ₹6400 at 15% per year for 2 years (in ₹)?
6. 6.A town has 22500 people. The population grows by 4% every year. What will the population be after 2 years?
7. 7.A scooter is worth ₹48000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
8. 8.What is the difference between the compound interest and the simple interest on ₹12500 at 4% per year for 2 years (in ₹)?
9. 9.A scooter is worth ₹52500. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
10. 10.What is the difference between the compound interest and the simple interest on ₹27600 at 25% per year for 2 years (in ₹)?
11. 11.What is the difference between the compound interest and the simple interest on ₹60000 at 8% per year for 2 years (in ₹)?
12. 12.Find the compound interest on ₹36800 at 10% per year for 2 years, compounded every year (in ₹).
13. 13.What is the difference between the compound interest and the simple interest on ₹32500 at 4% per year for 2 years (in ₹)?
14. 14.What is the difference between the compound interest and the simple interest on ₹52000 at 15% per year for 2 years (in ₹)?
15. 15.What amount will ₹6000 grow to in 3 years at 20% per year compound interest (in ₹)?
16. 16.What amount will ₹57500 grow to in 2 years at 12% per year compound interest (in ₹)?
17. 17.Find the compound interest on ₹55000 at 12% per year for 2 years, compounded every year (in ₹).
18. 18.What is the difference between the compound interest and the simple interest on ₹51200 at 5% per year for 2 years (in ₹)?
19. 19.What amount will ₹2000 grow to in 2 years at 15% per year compound interest (in ₹)?
20. 20.What is the difference between the compound interest and the simple interest on ₹27500 at 8% per year for 2 years (in ₹)?
21. 21.A town has 18000 people. The population grows by 8% every year. What will the population be after 1 year?
22. 22.Find the compound interest on ₹13600 at 20% per year for 1 year, compounded every year (in ₹).
23. 23.What is the difference between the compound interest and the simple interest on ₹54300 at 10% per year for 2 years (in ₹)?
24. 24.A scooter is worth ₹36000. Its value falls by 10% every year. What will it be worth after 3 years (in ₹)?
25. 25.Find the compound interest on ₹22800 at 20% per year for 1 year, compounded every year (in ₹).
26. 26.Find the compound interest on ₹50500 at 5% per year for 1 year, compounded every year (in ₹).
27. 27.What amount will ₹4900 grow to in 2 years at 10% per year compound interest (in ₹)?
28. 28.Find the compound interest on ₹56800 at 25% per year for 2 years, compounded every year (in ₹).
29. 29.What is the difference between the compound interest and the simple interest on ₹18000 at 15% per year for 2 years (in ₹)?
30. 30.Find the compound interest on ₹4500 at 25% per year for 1 year, compounded every year (in ₹).
31. 31.Find the compound interest on ₹36800 at 15% per year for 2 years, compounded every year (in ₹).
32. 32.Find the compound interest on ₹20500 at 20% per year for 1 year, compounded every year (in ₹).
33. 33.What amount will ₹16600 grow to in 1 year at 10% per year compound interest (in ₹)?
34. 34.What amount will ₹59600 grow to in 2 years at 25% per year compound interest (in ₹)?
35. 35.Find the compound interest on ₹25300 at 10% per year for 2 years, compounded every year (in ₹).
36. 36.Find the compound interest on ₹28500 at 25% per year for 1 year, compounded every year (in ₹).
37. 37.A scooter is worth ₹31600. Its value falls by 20% every year. What will it be worth after 1 year (in ₹)?
38. 38.Find the compound interest on ₹19500 at 25% per year for 1 year, compounded every year (in ₹).
39. 39.What amount will ₹12700 grow to in 1 year at 25% per year compound interest (in ₹)?
40. 40.What amount will ₹57900 grow to in 2 years at 20% per year compound interest (in ₹)?

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