Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 819 · 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 is the difference between the compound interest and the simple interest on ₹6000 at 15% per year for 2 years (in ₹)?
2. 2.Find the compound interest on ₹23200 at 25% per year for 2 years, compounded every year (in ₹).
3. 3.Find the compound interest on ₹24000 at 15% per year for 3 years, compounded every year (in ₹).
4. 4.What amount will ₹12600 grow to in 1 year at 25% per year compound interest (in ₹)?
5. 5.A scooter is worth ₹16000. Its value falls by 10% every year. What will it be worth after 3 years (in ₹)?
6. 6.Find the compound interest on ₹17500 at 8% per year for 2 years, compounded every year (in ₹).
7. 7.What amount will ₹52500 grow to in 2 years at 8% per year compound interest (in ₹)?
8. 8.Find the compound interest on ₹37500 at 8% per year for 2 years, compounded every year (in ₹).
9. 9.What is the difference between the compound interest and the simple interest on ₹55000 at 4% per year for 2 years (in ₹)?
10. 10.Find the compound interest on ₹32000 at 5% per year for 1 year, compounded every year (in ₹).
11. 11.A scooter is worth ₹7500. Its value falls by 4% every year. What will it be worth after 2 years (in ₹)?
12. 12.What amount will ₹4400 grow to in 2 years at 25% per year compound interest (in ₹)?
13. 13.What amount will ₹3800 grow to in 1 year at 12% per year compound interest (in ₹)?
14. 14.Find the compound interest on ₹33200 at 25% per year for 2 years, compounded every year (in ₹).
15. 15.Find the compound interest on ₹2500 at 12% per year for 2 years, compounded every year (in ₹).
16. 16.What is the difference between the compound interest and the simple interest on ₹17200 at 5% per year for 2 years (in ₹)?
17. 17.What amount will ₹44200 grow to in 1 year at 8% per year compound interest (in ₹)?
18. 18.What amount will ₹59500 grow to in 1 year at 15% per year compound interest (in ₹)?
19. 19.Find the compound interest on ₹4600 at 4% per year for 1 year, compounded every year (in ₹).
20. 20.What is the difference between the compound interest and the simple interest on ₹35500 at 20% per year for 2 years (in ₹)?
21. 21.Find the compound interest on ₹14800 at 10% per year for 2 years, compounded every year (in ₹).
22. 22.What amount will ₹42500 grow to in 2 years at 12% per year compound interest (in ₹)?
23. 23.Find the compound interest on ₹5000 at 8% per year for 2 years, compounded every year (in ₹).
24. 24.Find the compound interest on ₹11700 at 12% per year for 1 year, compounded every year (in ₹).
25. 25.Find the compound interest on ₹17400 at 8% per year for 1 year, compounded every year (in ₹).
26. 26.A scooter is worth ₹20100. Its value falls by 20% every year. What will it be worth after 2 years (in ₹)?
27. 27.What is the difference between the compound interest and the simple interest on ₹20000 at 12% per year for 2 years (in ₹)?
28. 28.What amount will ₹42100 grow to in 1 year at 25% per year compound interest (in ₹)?
29. 29.What amount will ₹52000 grow to in 1 year at 12% per year compound interest (in ₹)?
30. 30.What amount will ₹37500 grow to in 2 years at 4% per year compound interest (in ₹)?
31. 31.What is the difference between the compound interest and the simple interest on ₹15000 at 4% per year for 2 years (in ₹)?
32. 32.What amount will ₹53000 grow to in 1 year at 20% per year compound interest (in ₹)?
33. 33.What amount will ₹12800 grow to in 3 years at 25% per year compound interest (in ₹)?
34. 34.Find the compound interest on ₹55000 at 8% per year for 2 years, compounded every year (in ₹).
35. 35.Find the compound interest on ₹16000 at 20% per year for 3 years, compounded every year (in ₹).
36. 36.A scooter is worth ₹55300. Its value falls by 4% every year. What will it be worth after 1 year (in ₹)?
37. 37.Find the compound interest on ₹30800 at 12% per year for 1 year, compounded every year (in ₹).
38. 38.What is the difference between the compound interest and the simple interest on ₹2500 at 12% per year for 2 years (in ₹)?
39. 39.Find the compound interest on ₹51300 at 5% per year for 1 year, compounded every year (in ₹).
40. 40.What is the difference between the compound interest and the simple interest on ₹53200 at 5% per year for 2 years (in ₹)?

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