Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 517 · 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 ₹55000 at 12% per year for 2 years, compounded every year (in ₹).
2. 2.What amount will ₹54400 grow to in 3 years at 25% per year compound interest (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹58500 at 10% per year for 2 years (in ₹)?
4. 4.What amount will ₹8100 grow to in 1 year at 4% per year compound interest (in ₹)?
5. 5.What amount will ₹54100 grow to in 2 years at 10% per year compound interest (in ₹)?
6. 6.What amount will ₹33300 grow to in 1 year at 8% per year compound interest (in ₹)?
7. 7.Find the compound interest on ₹4300 at 8% per year for 1 year, compounded every year (in ₹).
8. 8.What is the difference between the compound interest and the simple interest on ₹40000 at 12% per year for 2 years (in ₹)?
9. 9.A town has 45800 people. The population grows by 12% every year. What will the population be after 1 year?
10. 10.A town has 8800 people. The population grows by 10% every year. What will the population be after 1 year?
11. 11.Find the compound interest on ₹8000 at 5% per year for 3 years, compounded every year (in ₹).
12. 12.Find the compound interest on ₹16400 at 5% per year for 2 years, compounded every year (in ₹).
13. 13.What amount will ₹32000 grow to in 3 years at 15% per year compound interest (in ₹)?
14. 14.A town has 7000 people. The population grows by 10% every year. What will the population be after 1 year?
15. 15.A scooter is worth ₹50000. Its value falls by 10% every year. What will it be worth after 3 years (in ₹)?
16. 16.What amount will ₹39300 grow to in 1 year at 4% per year compound interest (in ₹)?
17. 17.A town has 55000 people. The population grows by 4% every year. What will the population be after 2 years?
18. 18.What amount will ₹52000 grow to in 1 year at 5% per year compound interest (in ₹)?
19. 19.What amount will ₹18200 grow to in 1 year at 20% per year compound interest (in ₹)?
20. 20.What amount will ₹29000 grow to in 3 years at 10% per year compound interest (in ₹)?
21. 21.A scooter is worth ₹24500. Its value falls by 10% every year. What will it be worth after 2 years (in ₹)?
22. 22.Find the compound interest on ₹12200 at 10% per year for 1 year, compounded every year (in ₹).
23. 23.What is the difference between the compound interest and the simple interest on ₹7500 at 12% per year for 2 years (in ₹)?
24. 24.What is the difference between the compound interest and the simple interest on ₹36500 at 20% per year for 2 years (in ₹)?
25. 25.Find the compound interest on ₹42200 at 10% per year for 2 years, compounded every year (in ₹).
26. 26.What amount will ₹30400 grow to in 3 years at 25% per year compound interest (in ₹)?
27. 27.What is the difference between the compound interest and the simple interest on ₹41200 at 5% per year for 2 years (in ₹)?
28. 28.Find the compound interest on ₹7900 at 15% per year for 1 year, compounded every year (in ₹).
29. 29.A town has 15000 people. The population grows by 8% every year. What will the population be after 2 years?
30. 30.What is the difference between the compound interest and the simple interest on ₹31800 at 20% per year for 2 years (in ₹)?
31. 31.What is the difference between the compound interest and the simple interest on ₹19600 at 5% per year for 2 years (in ₹)?
32. 32.Find the compound interest on ₹20400 at 5% per year for 2 years, compounded every year (in ₹).
33. 33.What amount will ₹8000 grow to in 3 years at 15% per year compound interest (in ₹)?
34. 34.What is the difference between the compound interest and the simple interest on ₹18400 at 25% per year for 2 years (in ₹)?
35. 35.What amount will ₹2500 grow to in 2 years at 8% per year compound interest (in ₹)?
36. 36.Find the compound interest on ₹37700 at 10% per year for 2 years, compounded every year (in ₹).
37. 37.What amount will ₹26000 grow to in 3 years at 10% per year compound interest (in ₹)?
38. 38.What amount will ₹53600 grow to in 1 year at 8% per year compound interest (in ₹)?
39. 39.Find the compound interest on ₹42500 at 12% per year for 2 years, compounded every year (in ₹).
40. 40.Find the compound interest on ₹38400 at 25% per year for 3 years, compounded every year (in ₹).

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