Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 197 · 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.A town has 58400 people. The population grows by 5% every year. What will the population be after 2 years?
2. 2.What amount will ₹3700 grow to in 1 year at 12% per year compound interest (in ₹)?
3. 3.Find the compound interest on ₹46400 at 15% per year for 1 year, compounded every year (in ₹).
4. 4.Find the compound interest on ₹32300 at 25% per year for 1 year, compounded every year (in ₹).
5. 5.A town has 40800 people. The population grows by 20% every year. What will the population be after 2 years?
6. 6.What is the difference between the compound interest and the simple interest on ₹27500 at 8% per year for 2 years (in ₹)?
7. 7.What amount will ₹31600 grow to in 2 years at 5% per year compound interest (in ₹)?
8. 8.A scooter is worth ₹10000. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
9. 9.Find the compound interest on ₹7500 at 8% per year for 2 years, compounded every year (in ₹).
10. 10.What amount will ₹2600 grow to in 1 year at 10% per year compound interest (in ₹)?
11. 11.What is the difference between the compound interest and the simple interest on ₹42500 at 12% per year for 2 years (in ₹)?
12. 12.Find the compound interest on ₹29800 at 10% per year for 1 year, compounded every year (in ₹).
13. 13.Find the compound interest on ₹47200 at 5% per year for 2 years, compounded every year (in ₹).
14. 14.A scooter is worth ₹56400. Its value falls by 15% every year. What will it be worth after 2 years (in ₹)?
15. 15.What amount will ₹31200 grow to in 2 years at 25% per year compound interest (in ₹)?
16. 16.Find the compound interest on ₹32000 at 5% per year for 3 years, compounded every year (in ₹).
17. 17.What amount will ₹8000 grow to in 3 years at 10% per year compound interest (in ₹)?
18. 18.Find the compound interest on ₹17300 at 8% per year for 1 year, compounded every year (in ₹).
19. 19.A scooter is worth ₹6300. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
20. 20.What is the difference between the compound interest and the simple interest on ₹19000 at 10% per year for 2 years (in ₹)?
21. 21.What is the difference between the compound interest and the simple interest on ₹40000 at 4% per year for 2 years (in ₹)?
22. 22.What amount will ₹49700 grow to in 1 year at 12% per year compound interest (in ₹)?
23. 23.What is the difference between the compound interest and the simple interest on ₹15600 at 15% per year for 2 years (in ₹)?
24. 24.What is the difference between the compound interest and the simple interest on ₹4400 at 5% per year for 2 years (in ₹)?
25. 25.What is the difference between the compound interest and the simple interest on ₹57500 at 12% per year for 2 years (in ₹)?
26. 26.What amount will ₹45600 grow to in 2 years at 5% per year compound interest (in ₹)?
27. 27.What is the difference between the compound interest and the simple interest on ₹45000 at 4% per year for 2 years (in ₹)?
28. 28.What is the difference between the compound interest and the simple interest on ₹59200 at 5% per year for 2 years (in ₹)?
29. 29.What amount will ₹38600 grow to in 2 years at 20% per year compound interest (in ₹)?
30. 30.What is the difference between the compound interest and the simple interest on ₹2500 at 4% per year for 2 years (in ₹)?
31. 31.A scooter is worth ₹32000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
32. 32.What amount will ₹19100 grow to in 1 year at 5% per year compound interest (in ₹)?
33. 33.A town has 7500 people. The population grows by 4% every year. What will the population be after 2 years?
34. 34.What is the difference between the compound interest and the simple interest on ₹54200 at 10% per year for 2 years (in ₹)?
35. 35.A town has 43000 people. The population grows by 10% every year. What will the population be after 3 years?
36. 36.Find the compound interest on ₹22700 at 5% per year for 1 year, compounded every year (in ₹).
37. 37.What amount will ₹43700 grow to in 1 year at 5% per year compound interest (in ₹)?
38. 38.A town has 10400 people. The population grows by 5% every year. What will the population be after 2 years?
39. 39.Find the compound interest on ₹9800 at 15% per year for 1 year, compounded every year (in ₹).
40. 40.What amount will ₹16000 grow to in 3 years at 25% per year compound interest (in ₹)?

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets