Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 599 · 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 ₹52500 at 4% per year for 2 years (in ₹)?
2. 2.A town has 37600 people. The population grows by 5% every year. What will the population be after 2 years?
3. 3.A town has 56000 people. The population grows by 15% every year. What will the population be after 3 years?
4. 4.Find the compound interest on ₹19700 at 25% per year for 1 year, compounded every year (in ₹).
5. 5.What is the difference between the compound interest and the simple interest on ₹36200 at 10% per year for 2 years (in ₹)?
6. 6.Find the compound interest on ₹10000 at 12% per year for 1 year, compounded every year (in ₹).
7. 7.Find the compound interest on ₹18800 at 5% per year for 2 years, compounded every year (in ₹).
8. 8.What is the difference between the compound interest and the simple interest on ₹31300 at 20% per year for 2 years (in ₹)?
9. 9.What amount will ₹17200 grow to in 2 years at 5% per year compound interest (in ₹)?
10. 10.What amount will ₹55000 grow to in 3 years at 20% per year compound interest (in ₹)?
11. 11.What amount will ₹39600 grow to in 2 years at 15% per year compound interest (in ₹)?
12. 12.Find the compound interest on ₹13000 at 10% per year for 3 years, compounded every year (in ₹).
13. 13.What amount will ₹37500 grow to in 2 years at 4% per year compound interest (in ₹)?
14. 14.Find the compound interest on ₹47500 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 ₹37500 at 4% per year for 2 years (in ₹)?
16. 16.What is the difference between the compound interest and the simple interest on ₹15000 at 12% per year for 2 years (in ₹)?
17. 17.Find the compound interest on ₹35900 at 10% per year for 1 year, compounded every year (in ₹).
18. 18.Find the compound interest on ₹40700 at 10% per year for 1 year, compounded every year (in ₹).
19. 19.What is the difference between the compound interest and the simple interest on ₹7700 at 20% per year for 2 years (in ₹)?
20. 20.What is the difference between the compound interest and the simple interest on ₹31200 at 5% per year for 2 years (in ₹)?
21. 21.What amount will ₹10000 grow to in 2 years at 5% per year compound interest (in ₹)?
22. 22.Find the compound interest on ₹17800 at 15% per year for 1 year, compounded every year (in ₹).
23. 23.A scooter is worth ₹28900. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
24. 24.Find the compound interest on ₹6000 at 10% per year for 1 year, compounded every year (in ₹).
25. 25.A town has 5600 people. The population grows by 5% every year. What will the population be after 2 years?
26. 26.What amount will ₹13000 grow to in 3 years at 10% per year compound interest (in ₹)?
27. 27.What is the difference between the compound interest and the simple interest on ₹37500 at 12% per year for 2 years (in ₹)?
28. 28.What is the difference between the compound interest and the simple interest on ₹7500 at 8% per year for 2 years (in ₹)?
29. 29.What is the difference between the compound interest and the simple interest on ₹27500 at 4% per year for 2 years (in ₹)?
30. 30.What is the difference between the compound interest and the simple interest on ₹40000 at 12% per year for 2 years (in ₹)?
31. 31.What amount will ₹16000 grow to in 3 years at 5% per year compound interest (in ₹)?
32. 32.What amount will ₹26500 grow to in 1 year at 10% per year compound interest (in ₹)?
33. 33.A scooter is worth ₹58100. Its value falls by 4% every year. What will it be worth after 1 year (in ₹)?
34. 34.Find the compound interest on ₹45600 at 5% per year for 2 years, compounded every year (in ₹).
35. 35.A scooter is worth ₹52500. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
36. 36.Find the compound interest on ₹40000 at 5% per year for 3 years, compounded every year (in ₹).
37. 37.Find the compound interest on ₹45200 at 5% per year for 2 years, compounded every year (in ₹).
38. 38.What amount will ₹17000 grow to in 2 years at 10% per year compound interest (in ₹)?
39. 39.Find the compound interest on ₹12400 at 5% per year for 2 years, compounded every year (in ₹).
40. 40.Find the compound interest on ₹21900 at 25% per year for 1 year, compounded every year (in ₹).

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