Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 787 · 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 ₹25200 at 15% per year for 2 years (in ₹)?
2. 2.What amount will ₹5000 grow to in 2 years at 8% per year compound interest (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹8000 at 25% per year for 2 years (in ₹)?
4. 4.Find the compound interest on ₹15000 at 4% per year for 2 years, compounded every year (in ₹).
5. 5.What is the difference between the compound interest and the simple interest on ₹40000 at 8% per year for 2 years (in ₹)?
6. 6.What is the difference between the compound interest and the simple interest on ₹60000 at 12% per year for 2 years (in ₹)?
7. 7.What amount will ₹5600 grow to in 1 year at 20% per year compound interest (in ₹)?
8. 8.A town has 6000 people. The population grows by 15% every year. What will the population be after 2 years?
9. 9.What amount will ₹13600 grow to in 2 years at 15% per year compound interest (in ₹)?
10. 10.Find the compound interest on ₹38800 at 15% per year for 2 years, compounded every year (in ₹).
11. 11.What is the difference between the compound interest and the simple interest on ₹57500 at 8% per year for 2 years (in ₹)?
12. 12.A scooter is worth ₹15800. Its value falls by 25% every year. What will it be worth after 1 year (in ₹)?
13. 13.Find the compound interest on ₹10300 at 10% per year for 2 years, compounded every year (in ₹).
14. 14.A scooter is worth ₹16800. Its value falls by 25% every year. What will it be worth after 2 years (in ₹)?
15. 15.Find the compound interest on ₹17300 at 25% per year for 1 year, compounded every year (in ₹).
16. 16.What is the difference between the compound interest and the simple interest on ₹18400 at 25% per year for 2 years (in ₹)?
17. 17.What is the difference between the compound interest and the simple interest on ₹37500 at 8% per year for 2 years (in ₹)?
18. 18.Find the compound interest on ₹46900 at 10% per year for 1 year, compounded every year (in ₹).
19. 19.What amount will ₹10000 grow to in 2 years at 4% per year compound interest (in ₹)?
20. 20.Find the compound interest on ₹46100 at 10% per year for 2 years, compounded every year (in ₹).
21. 21.Find the compound interest on ₹6800 at 15% per year for 2 years, compounded every year (in ₹).
22. 22.What amount will ₹18800 grow to in 1 year at 4% per year compound interest (in ₹)?
23. 23.What is the difference between the compound interest and the simple interest on ₹52200 at 10% per year for 2 years (in ₹)?
24. 24.What amount will ₹29800 grow to in 1 year at 15% per year compound interest (in ₹)?
25. 25.A scooter is worth ₹8000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
26. 26.Find the compound interest on ₹25600 at 8% per year for 1 year, compounded every year (in ₹).
27. 27.Find the compound interest on ₹25000 at 8% per year for 2 years, compounded every year (in ₹).
28. 28.Find the compound interest on ₹24000 at 5% per year for 3 years, compounded every year (in ₹).
29. 29.What is the difference between the compound interest and the simple interest on ₹54800 at 20% per year for 2 years (in ₹)?
30. 30.Find the compound interest on ₹46300 at 25% per year for 1 year, compounded every year (in ₹).
31. 31.What amount will ₹45000 grow to in 2 years at 4% per year compound interest (in ₹)?
32. 32.Find the compound interest on ₹45000 at 4% per year for 2 years, compounded every year (in ₹).
33. 33.Find the compound interest on ₹38000 at 10% per year for 3 years, compounded every year (in ₹).
34. 34.Find the compound interest on ₹30000 at 8% per year for 2 years, compounded every year (in ₹).
35. 35.What is the difference between the compound interest and the simple interest on ₹2500 at 8% per year for 2 years (in ₹)?
36. 36.What is the difference between the compound interest and the simple interest on ₹27500 at 8% per year for 2 years (in ₹)?
37. 37.What is the difference between the compound interest and the simple interest on ₹50000 at 12% per year for 2 years (in ₹)?
38. 38.Find the compound interest on ₹32000 at 15% per year for 3 years, compounded every year (in ₹).
39. 39.Find the compound interest on ₹33600 at 5% per year for 2 years, compounded every year (in ₹).
40. 40.Find the compound interest on ₹38100 at 12% per year for 1 year, compounded every year (in ₹).

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