Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 49 · 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 ₹45200 at 15% per year for 2 years (in ₹)?
2. 2.Find the compound interest on ₹34200 at 10% per year for 2 years, compounded every year (in ₹).
3. 3.What amount will ₹32000 grow to in 3 years at 5% per year compound interest (in ₹)?
4. 4.What is the difference between the compound interest and the simple interest on ₹55600 at 5% per year for 2 years (in ₹)?
5. 5.Find the compound interest on ₹28000 at 25% per year for 2 years, compounded every year (in ₹).
6. 6.Find the compound interest on ₹31500 at 20% per year for 2 years, compounded every year (in ₹).
7. 7.What amount will ₹7400 grow to in 1 year at 25% per year compound interest (in ₹)?
8. 8.Find the compound interest on ₹18900 at 25% per year for 1 year, compounded every year (in ₹).
9. 9.A town has 57500 people. The population grows by 12% every year. What will the population be after 2 years?
10. 10.What is the difference between the compound interest and the simple interest on ₹2800 at 25% per year for 2 years (in ₹)?
11. 11.What amount will ₹3400 grow to in 2 years at 20% per year compound interest (in ₹)?
12. 12.What amount will ₹12500 grow to in 2 years at 12% per year compound interest (in ₹)?
13. 13.What amount will ₹59600 grow to in 2 years at 5% per year compound interest (in ₹)?
14. 14.Find the compound interest on ₹24000 at 5% per year for 3 years, compounded every year (in ₹).
15. 15.A scooter is worth ₹18400. Its value falls by 5% every year. What will it be worth after 2 years (in ₹)?
16. 16.A scooter is worth ₹54000. Its value falls by 4% every year. What will it be worth after 1 year (in ₹)?
17. 17.What amount will ₹6400 grow to in 3 years at 25% per year compound interest (in ₹)?
18. 18.Find the compound interest on ₹29700 at 20% per year for 2 years, compounded every year (in ₹).
19. 19.What amount will ₹10600 grow to in 1 year at 25% per year compound interest (in ₹)?
20. 20.What amount will ₹16000 grow to in 2 years at 15% per year compound interest (in ₹)?
21. 21.What is the difference between the compound interest and the simple interest on ₹53600 at 25% per year for 2 years (in ₹)?
22. 22.What is the difference between the compound interest and the simple interest on ₹51900 at 10% per year for 2 years (in ₹)?
23. 23.Find the compound interest on ₹25600 at 15% per year for 2 years, compounded every year (in ₹).
24. 24.Find the compound interest on ₹34400 at 15% per year for 2 years, compounded every year (in ₹).
25. 25.What amount will ₹33300 grow to in 1 year at 5% per year compound interest (in ₹)?
26. 26.What is the difference between the compound interest and the simple interest on ₹32500 at 10% per year for 2 years (in ₹)?
27. 27.Find the compound interest on ₹37500 at 8% per year for 2 years, compounded every year (in ₹).
28. 28.A town has 16000 people. The population grows by 10% every year. What will the population be after 1 year?
29. 29.Find the compound interest on ₹24000 at 15% per year for 3 years, compounded every year (in ₹).
30. 30.Find the compound interest on ₹52500 at 12% per year for 2 years, compounded every year (in ₹).
31. 31.Find the compound interest on ₹29300 at 25% per year for 1 year, compounded every year (in ₹).
32. 32.A scooter is worth ₹10100. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?
33. 33.What is the difference between the compound interest and the simple interest on ₹36300 at 10% per year for 2 years (in ₹)?
34. 34.A scooter is worth ₹24600. Its value falls by 10% every year. What will it be worth after 2 years (in ₹)?
35. 35.What amount will ₹44400 grow to in 1 year at 10% per year compound interest (in ₹)?
36. 36.A town has 45500 people. The population grows by 10% every year. What will the population be after 1 year?
37. 37.What amount will ₹24500 grow to in 3 years at 20% per year compound interest (in ₹)?
38. 38.Find the compound interest on ₹17200 at 5% per year for 2 years, compounded every year (in ₹).
39. 39.What is the difference between the compound interest and the simple interest on ₹20800 at 25% per year for 2 years (in ₹)?
40. 40.Find the compound interest on ₹50800 at 15% per year for 2 years, compounded every year (in ₹).

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