Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 653 · 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 ₹23600 grow to in 2 years at 25% per year compound interest (in ₹)?
2. 2.What is the difference between the compound interest and the simple interest on ₹42500 at 8% per year for 2 years (in ₹)?
3. 3.What amount will ₹8000 grow to in 3 years at 5% per year compound interest (in ₹)?
4. 4.Find the compound interest on ₹49600 at 25% per year for 3 years, compounded every year (in ₹).
5. 5.What is the difference between the compound interest and the simple interest on ₹20000 at 12% per year for 2 years (in ₹)?
6. 6.What is the difference between the compound interest and the simple interest on ₹49300 at 20% per year for 2 years (in ₹)?
7. 7.A scooter is worth ₹26900. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?
8. 8.What is the difference between the compound interest and the simple interest on ₹5300 at 10% per year for 2 years (in ₹)?
9. 9.What amount will ₹17700 grow to in 1 year at 15% per year compound interest (in ₹)?
10. 10.A scooter is worth ₹57500. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
11. 11.What amount will ₹40000 grow to in 2 years at 12% per year compound interest (in ₹)?
12. 12.What amount will ₹42600 grow to in 1 year at 10% per year compound interest (in ₹)?
13. 13.What is the difference between the compound interest and the simple interest on ₹12000 at 5% per year for 2 years (in ₹)?
14. 14.Find the compound interest on ₹2000 at 10% per year for 3 years, compounded every year (in ₹).
15. 15.What is the difference between the compound interest and the simple interest on ₹14000 at 25% per year for 2 years (in ₹)?
16. 16.What is the difference between the compound interest and the simple interest on ₹45600 at 5% per year for 2 years (in ₹)?
17. 17.Find the compound interest on ₹15000 at 8% per year for 2 years, compounded every year (in ₹).
18. 18.What amount will ₹40000 grow to in 3 years at 5% per year compound interest (in ₹)?
19. 19.Find the compound interest on ₹43100 at 10% per year for 1 year, compounded every year (in ₹).
20. 20.Find the compound interest on ₹56000 at 5% per year for 3 years, compounded every year (in ₹).
21. 21.A town has 17500 people. The population grows by 8% every year. What will the population be after 2 years?
22. 22.What amount will ₹25600 grow to in 3 years at 25% per year compound interest (in ₹)?
23. 23.A scooter is worth ₹34700. Its value falls by 10% every year. What will it be worth after 2 years (in ₹)?
24. 24.What amount will ₹10000 grow to in 2 years at 4% per year compound interest (in ₹)?
25. 25.What amount will ₹3600 grow to in 2 years at 25% per year compound interest (in ₹)?
26. 26.What is the difference between the compound interest and the simple interest on ₹18400 at 25% per year for 2 years (in ₹)?
27. 27.A town has 58800 people. The population grows by 25% every year. What will the population be after 2 years?
28. 28.Find the compound interest on ₹44700 at 10% per year for 2 years, compounded every year (in ₹).
29. 29.What amount will ₹18100 grow to in 1 year at 5% per year compound interest (in ₹)?
30. 30.Find the compound interest on ₹49600 at 12% per year for 1 year, compounded every year (in ₹).
31. 31.What amount will ₹56000 grow to in 3 years at 15% per year compound interest (in ₹)?
32. 32.A scooter is worth ₹11000. Its value falls by 10% every year. What will it be worth after 3 years (in ₹)?
33. 33.What is the difference between the compound interest and the simple interest on ₹24200 at 20% per year for 2 years (in ₹)?
34. 34.What amount will ₹15000 grow to in 2 years at 12% per year compound interest (in ₹)?
35. 35.What is the difference between the compound interest and the simple interest on ₹37500 at 8% per year for 2 years (in ₹)?
36. 36.A scooter is worth ₹37500. Its value falls by 12% every year. What will it be worth after 2 years (in ₹)?
37. 37.What amount will ₹56000 grow to in 3 years at 5% per year compound interest (in ₹)?
38. 38.What is the difference between the compound interest and the simple interest on ₹11200 at 5% per year for 2 years (in ₹)?
39. 39.What is the difference between the compound interest and the simple interest on ₹41600 at 25% per year for 2 years (in ₹)?
40. 40.What amount will ₹33800 grow to in 1 year at 4% per year compound interest (in ₹)?

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