Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 95 · 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.Find the compound interest on ₹44500 at 20% per year for 2 years, compounded every year (in ₹).
2. 2.What is the difference between the compound interest and the simple interest on ₹17500 at 4% per year for 2 years (in ₹)?
3. 3.A scooter is worth ₹50000. Its value falls by 12% every year. What will it be worth after 2 years (in ₹)?
4. 4.Find the compound interest on ₹52500 at 8% per year for 2 years, compounded every year (in ₹).
5. 5.What is the difference between the compound interest and the simple interest on ₹38800 at 10% per year for 2 years (in ₹)?
6. 6.Find the compound interest on ₹37000 at 10% per year for 2 years, compounded every year (in ₹).
7. 7.What amount will ₹14600 grow to in 2 years at 20% per year compound interest (in ₹)?
8. 8.What is the difference between the compound interest and the simple interest on ₹57500 at 4% per year for 2 years (in ₹)?
9. 9.Find the compound interest on ₹52500 at 12% per year for 2 years, compounded every year (in ₹).
10. 10.What amount will ₹11500 grow to in 1 year at 8% per year compound interest (in ₹)?
11. 11.Find the compound interest on ₹20000 at 15% per year for 2 years, compounded every year (in ₹).
12. 12.What amount will ₹8000 grow to in 3 years at 5% per year compound interest (in ₹)?
13. 13.Find the compound interest on ₹27400 at 5% per year for 1 year, compounded every year (in ₹).
14. 14.A town has 9600 people. The population grows by 25% every year. What will the population be after 3 years?
15. 15.Find the compound interest on ₹48000 at 15% per year for 3 years, compounded every year (in ₹).
16. 16.A scooter is worth ₹22800. Its value falls by 25% every year. What will it be worth after 2 years (in ₹)?
17. 17.What is the difference between the compound interest and the simple interest on ₹25600 at 15% per year for 2 years (in ₹)?
18. 18.A town has 16800 people. The population grows by 25% every year. What will the population be after 1 year?
19. 19.Find the compound interest on ₹6400 at 8% per year for 1 year, compounded every year (in ₹).
20. 20.Find the compound interest on ₹36800 at 10% per year for 2 years, compounded every year (in ₹).
21. 21.A town has 40000 people. The population grows by 4% every year. What will the population be after 1 year?
22. 22.A town has 42500 people. The population grows by 8% every year. What will the population be after 2 years?
23. 23.Find the compound interest on ₹15200 at 25% per year for 2 years, compounded every year (in ₹).
24. 24.What amount will ₹10500 grow to in 3 years at 20% per year compound interest (in ₹)?
25. 25.What amount will ₹25000 grow to in 1 year at 4% per year compound interest (in ₹)?
26. 26.What is the difference between the compound interest and the simple interest on ₹58300 at 20% per year for 2 years (in ₹)?
27. 27.What is the difference between the compound interest and the simple interest on ₹11600 at 25% per year for 2 years (in ₹)?
28. 28.What is the difference between the compound interest and the simple interest on ₹54500 at 10% per year for 2 years (in ₹)?
29. 29.Find the compound interest on ₹57200 at 15% per year for 2 years, compounded every year (in ₹).
30. 30.What amount will ₹10000 grow to in 2 years at 4% per year compound interest (in ₹)?
31. 31.Find the compound interest on ₹24000 at 15% per year for 3 years, compounded every year (in ₹).
32. 32.Find the compound interest on ₹37700 at 25% per year for 1 year, compounded every year (in ₹).
33. 33.Find the compound interest on ₹49100 at 8% per year for 1 year, compounded every year (in ₹).
34. 34.What is the difference between the compound interest and the simple interest on ₹52500 at 4% per year for 2 years (in ₹)?
35. 35.What amount will ₹56000 grow to in 3 years at 5% per year compound interest (in ₹)?
36. 36.What is the difference between the compound interest and the simple interest on ₹26400 at 10% per year for 2 years (in ₹)?
37. 37.Find the compound interest on ₹12700 at 10% per year for 2 years, compounded every year (in ₹).
38. 38.What is the difference between the compound interest and the simple interest on ₹30000 at 4% per year for 2 years (in ₹)?
39. 39.Find the compound interest on ₹8000 at 5% per year for 3 years, compounded every year (in ₹).
40. 40.Find the compound interest on ₹60000 at 12% per year for 2 years, compounded every year (in ₹).

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