Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 168 · 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 ₹42800 at 15% per year for 2 years (in ₹)?
2. 2.Find the compound interest on ₹37600 at 15% per year for 2 years, compounded every year (in ₹).
3. 3.A town has 22800 people. The population grows by 15% every year. What will the population be after 2 years?
4. 4.What is the difference between the compound interest and the simple interest on ₹41600 at 5% per year for 2 years (in ₹)?
5. 5.Find the compound interest on ₹32000 at 15% per year for 3 years, compounded every year (in ₹).
6. 6.What amount will ₹37500 grow to in 2 years at 12% per year compound interest (in ₹)?
7. 7.Find the compound interest on ₹39500 at 20% per year for 3 years, compounded every year (in ₹).
8. 8.Find the compound interest on ₹58000 at 10% per year for 3 years, compounded every year (in ₹).
9. 9.What amount will ₹30400 grow to in 1 year at 12% per year compound interest (in ₹)?
10. 10.What is the difference between the compound interest and the simple interest on ₹9200 at 5% per year for 2 years (in ₹)?
11. 11.A scooter is worth ₹24000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
12. 12.What is the difference between the compound interest and the simple interest on ₹20000 at 5% per year for 2 years (in ₹)?
13. 13.What is the difference between the compound interest and the simple interest on ₹56700 at 10% per year for 2 years (in ₹)?
14. 14.What amount will ₹55500 grow to in 1 year at 20% per year compound interest (in ₹)?
15. 15.What amount will ₹26200 grow to in 1 year at 8% per year compound interest (in ₹)?
16. 16.What amount will ₹56000 grow to in 3 years at 15% per year compound interest (in ₹)?
17. 17.A scooter is worth ₹56000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
18. 18.What is the difference between the compound interest and the simple interest on ₹4800 at 15% per year for 2 years (in ₹)?
19. 19.A scooter is worth ₹15000. Its value falls by 4% every year. What will it be worth after 2 years (in ₹)?
20. 20.Find the compound interest on ₹3900 at 12% per year for 1 year, compounded every year (in ₹).
21. 21.What is the difference between the compound interest and the simple interest on ₹49600 at 5% per year for 2 years (in ₹)?
22. 22.Find the compound interest on ₹54900 at 15% per year for 1 year, compounded every year (in ₹).
23. 23.What is the difference between the compound interest and the simple interest on ₹40000 at 12% per year for 2 years (in ₹)?
24. 24.A town has 3600 people. The population grows by 25% every year. What will the population be after 2 years?
25. 25.What amount will ₹27000 grow to in 3 years at 10% per year compound interest (in ₹)?
26. 26.A town has 12600 people. The population grows by 8% every year. What will the population be after 1 year?
27. 27.What amount will ₹39900 grow to in 1 year at 25% per year compound interest (in ₹)?
28. 28.What amount will ₹17900 grow to in 2 years at 20% per year compound interest (in ₹)?
29. 29.A town has 7000 people. The population grows by 20% every year. What will the population be after 3 years?
30. 30.Find the compound interest on ₹16400 at 10% per year for 1 year, compounded every year (in ₹).
31. 31.What amount will ₹57000 grow to in 3 years at 10% per year compound interest (in ₹)?
32. 32.What is the difference between the compound interest and the simple interest on ₹20600 at 10% per year for 2 years (in ₹)?
33. 33.What amount will ₹20800 grow to in 3 years at 25% per year compound interest (in ₹)?
34. 34.A scooter is worth ₹21600. Its value falls by 25% every year. What will it be worth after 1 year (in ₹)?
35. 35.What is the difference between the compound interest and the simple interest on ₹54200 at 10% per year for 2 years (in ₹)?
36. 36.Find the compound interest on ₹41400 at 12% per year for 1 year, compounded every year (in ₹).
37. 37.Find the compound interest on ₹58500 at 20% per year for 2 years, compounded every year (in ₹).
38. 38.What amount will ₹55200 grow to in 2 years at 25% per year compound interest (in ₹)?
39. 39.A town has 40000 people. The population grows by 5% every year. What will the population be after 3 years?
40. 40.What is the difference between the compound interest and the simple interest on ₹27500 at 4% per year for 2 years (in ₹)?

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