Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 641 · 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 ₹56300 grow to in 1 year at 4% per year compound interest (in ₹)?
2. 2.Find the compound interest on ₹17100 at 10% per year for 1 year, compounded every year (in ₹).
3. 3.What amount will ₹42500 grow to in 2 years at 4% per year compound interest (in ₹)?
4. 4.Find the compound interest on ₹15000 at 4% per year for 2 years, compounded every year (in ₹).
5. 5.Find the compound interest on ₹15700 at 10% per year for 1 year, compounded every year (in ₹).
6. 6.Find the compound interest on ₹37500 at 12% per year for 2 years, compounded every year (in ₹).
7. 7.What amount will ₹50800 grow to in 2 years at 5% per year compound interest (in ₹)?
8. 8.What is the difference between the compound interest and the simple interest on ₹17700 at 20% per year for 2 years (in ₹)?
9. 9.What is the difference between the compound interest and the simple interest on ₹59600 at 25% per year for 2 years (in ₹)?
10. 10.Find the compound interest on ₹40900 at 20% per year for 1 year, compounded every year (in ₹).
11. 11.What is the difference between the compound interest and the simple interest on ₹2500 at 8% per year for 2 years (in ₹)?
12. 12.Find the compound interest on ₹38600 at 10% per year for 1 year, compounded every year (in ₹).
13. 13.Find the compound interest on ₹39600 at 10% per year for 1 year, compounded every year (in ₹).
14. 14.A town has 33600 people. The population grows by 15% every year. What will the population be after 2 years?
15. 15.What is the difference between the compound interest and the simple interest on ₹47500 at 8% per year for 2 years (in ₹)?
16. 16.What is the difference between the compound interest and the simple interest on ₹52500 at 4% per year for 2 years (in ₹)?
17. 17.What is the difference between the compound interest and the simple interest on ₹40000 at 4% per year for 2 years (in ₹)?
18. 18.What is the difference between the compound interest and the simple interest on ₹22500 at 4% per year for 2 years (in ₹)?
19. 19.What is the difference between the compound interest and the simple interest on ₹24400 at 5% per year for 2 years (in ₹)?
20. 20.What amount will ₹16000 grow to in 3 years at 15% per year compound interest (in ₹)?
21. 21.Find the compound interest on ₹26700 at 4% per year for 1 year, compounded every year (in ₹).
22. 22.What amount will ₹5000 grow to in 2 years at 4% per year compound interest (in ₹)?
23. 23.What amount will ₹6900 grow to in 2 years at 10% per year compound interest (in ₹)?
24. 24.What amount will ₹23700 grow to in 2 years at 20% per year compound interest (in ₹)?
25. 25.A scooter is worth ₹57500. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
26. 26.Find the compound interest on ₹19000 at 20% per year for 1 year, compounded every year (in ₹).
27. 27.What amount will ₹22800 grow to in 2 years at 15% per year compound interest (in ₹)?
28. 28.What amount will ₹45000 grow to in 2 years at 12% per year compound interest (in ₹)?
29. 29.Find the compound interest on ₹21800 at 10% per year for 1 year, compounded every year (in ₹).
30. 30.A scooter is worth ₹14000. Its value falls by 5% every year. What will it be worth after 2 years (in ₹)?
31. 31.What amount will ₹18200 grow to in 1 year at 8% per year compound interest (in ₹)?
32. 32.What amount will ₹49200 grow to in 2 years at 5% per year compound interest (in ₹)?
33. 33.What amount will ₹40000 grow to in 3 years at 5% per year compound interest (in ₹)?
34. 34.Find the compound interest on ₹29200 at 15% per year for 1 year, compounded every year (in ₹).
35. 35.What amount will ₹23500 grow to in 2 years at 10% per year compound interest (in ₹)?
36. 36.What is the difference between the compound interest and the simple interest on ₹43300 at 10% per year for 2 years (in ₹)?
37. 37.Find the compound interest on ₹16000 at 5% per year for 3 years, compounded every year (in ₹).
38. 38.A town has 45000 people. The population grows by 8% every year. What will the population be after 2 years?
39. 39.What is the difference between the compound interest and the simple interest on ₹2500 at 12% per year for 2 years (in ₹)?
40. 40.What amount will ₹18000 grow to in 1 year at 15% per year compound interest (in ₹)?

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