Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 758 · 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 ₹53200 at 20% per year for 2 years (in ₹)?
2. 2.Find the compound interest on ₹26200 at 5% per year for 1 year, compounded every year (in ₹).
3. 3.What amount will ₹53000 grow to in 3 years at 20% per year compound interest (in ₹)?
4. 4.Find the compound interest on ₹48000 at 5% per year for 3 years, compounded every year (in ₹).
5. 5.A town has 56200 people. The population grows by 5% every year. What will the population be after 1 year?
6. 6.What amount will ₹55400 grow to in 1 year at 20% per year compound interest (in ₹)?
7. 7.Find the compound interest on ₹24000 at 5% per year for 3 years, compounded every year (in ₹).
8. 8.A town has 3200 people. The population grows by 25% every year. What will the population be after 2 years?
9. 9.A scooter is worth ₹15100. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
10. 10.What amount will ₹48000 grow to in 3 years at 15% per year compound interest (in ₹)?
11. 11.A scooter is worth ₹48000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
12. 12.Find the compound interest on ₹54000 at 20% per year for 1 year, compounded every year (in ₹).
13. 13.Find the compound interest on ₹56600 at 4% per year for 1 year, compounded every year (in ₹).
14. 14.Find the compound interest on ₹14900 at 20% per year for 1 year, compounded every year (in ₹).
15. 15.Find the compound interest on ₹21000 at 10% per year for 3 years, compounded every year (in ₹).
16. 16.Find the compound interest on ₹57300 at 20% per year for 1 year, compounded every year (in ₹).
17. 17.Find the compound interest on ₹32000 at 5% per year for 3 years, compounded every year (in ₹).
18. 18.Find the compound interest on ₹32000 at 15% per year for 3 years, compounded every year (in ₹).
19. 19.What amount will ₹36000 grow to in 3 years at 10% per year compound interest (in ₹)?
20. 20.Find the compound interest on ₹17600 at 25% per year for 2 years, compounded every year (in ₹).
21. 21.What amount will ₹59200 grow to in 2 years at 15% per year compound interest (in ₹)?
22. 22.What amount will ₹53200 grow to in 2 years at 15% per year compound interest (in ₹)?
23. 23.Find the compound interest on ₹56000 at 5% per year for 3 years, compounded every year (in ₹).
24. 24.What amount will ₹8000 grow to in 1 year at 12% per year compound interest (in ₹)?
25. 25.A scooter is worth ₹35200. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
26. 26.What is the difference between the compound interest and the simple interest on ₹23200 at 15% per year for 2 years (in ₹)?
27. 27.What is the difference between the compound interest and the simple interest on ₹42800 at 5% per year for 2 years (in ₹)?
28. 28.Find the compound interest on ₹5300 at 4% per year for 1 year, compounded every year (in ₹).
29. 29.Find the compound interest on ₹15400 at 8% per year for 1 year, compounded every year (in ₹).
30. 30.Find the compound interest on ₹42800 at 25% per year for 2 years, compounded every year (in ₹).
31. 31.A scooter is worth ₹17400. Its value falls by 25% every year. What will it be worth after 1 year (in ₹)?
32. 32.Find the compound interest on ₹14000 at 12% per year for 1 year, compounded every year (in ₹).
33. 33.What amount will ₹29700 grow to in 1 year at 8% per year compound interest (in ₹)?
34. 34.Find the compound interest on ₹41700 at 8% per year for 1 year, compounded every year (in ₹).
35. 35.What is the difference between the compound interest and the simple interest on ₹45000 at 4% per year for 2 years (in ₹)?
36. 36.Find the compound interest on ₹5400 at 25% per year for 1 year, compounded every year (in ₹).
37. 37.What is the difference between the compound interest and the simple interest on ₹10000 at 4% per year for 2 years (in ₹)?
38. 38.A scooter is worth ₹17500. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
39. 39.A town has 11200 people. The population grows by 15% every year. What will the population be after 2 years?
40. 40.Find the compound interest on ₹9600 at 5% per year for 2 years, compounded every year (in ₹).

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