Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 716 · 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 scooter is worth ₹55400. Its value falls by 25% every year. What will it be worth after 1 year (in ₹)?
2. 2.Find the compound interest on ₹5100 at 20% per year for 2 years, compounded every year (in ₹).
3. 3.A town has 34100 people. The population grows by 10% 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 ₹30600 at 20% per year for 2 years (in ₹)?
5. 5.Find the compound interest on ₹42500 at 8% per year for 2 years, compounded every year (in ₹).
6. 6.A town has 39600 people. The population grows by 15% every year. What will the population be after 2 years?
7. 7.Find the compound interest on ₹25700 at 12% per year for 1 year, compounded every year (in ₹).
8. 8.A scooter is worth ₹52800. Its value falls by 25% every year. What will it be worth after 3 years (in ₹)?
9. 9.A town has 9600 people. The population grows by 8% every year. What will the population be after 1 year?
10. 10.Find the compound interest on ₹12300 at 20% per year for 2 years, compounded every year (in ₹).
11. 11.What amount will ₹48500 grow to in 3 years at 20% per year compound interest (in ₹)?
12. 12.What amount will ₹7900 grow to in 1 year at 12% per year compound interest (in ₹)?
13. 13.What amount will ₹7500 grow to in 2 years at 8% per year compound interest (in ₹)?
14. 14.Find the compound interest on ₹9200 at 25% per year for 2 years, compounded every year (in ₹).
15. 15.Find the compound interest on ₹17500 at 8% per year for 2 years, compounded every year (in ₹).
16. 16.Find the compound interest on ₹10700 at 10% per year for 1 year, compounded every year (in ₹).
17. 17.What is the difference between the compound interest and the simple interest on ₹32500 at 4% per year for 2 years (in ₹)?
18. 18.What is the difference between the compound interest and the simple interest on ₹36400 at 15% per year for 2 years (in ₹)?
19. 19.Find the compound interest on ₹50300 at 8% per year for 1 year, compounded every year (in ₹).
20. 20.What amount will ₹17500 grow to in 2 years at 4% per year compound interest (in ₹)?
21. 21.What amount will ₹42500 grow to in 1 year at 5% per year compound interest (in ₹)?
22. 22.Find the compound interest on ₹37700 at 25% per year for 1 year, compounded every year (in ₹).
23. 23.Find the compound interest on ₹30600 at 20% per year for 2 years, compounded every year (in ₹).
24. 24.Find the compound interest on ₹29300 at 20% per year for 1 year, compounded every year (in ₹).
25. 25.A scooter is worth ₹51200. Its value falls by 15% every year. What will it be worth after 2 years (in ₹)?
26. 26.Find the compound interest on ₹14400 at 8% per year for 1 year, compounded every year (in ₹).
27. 27.What amount will ₹50200 grow to in 1 year at 12% per year compound interest (in ₹)?
28. 28.What is the difference between the compound interest and the simple interest on ₹26800 at 5% per year for 2 years (in ₹)?
29. 29.A scooter is worth ₹29000. Its value falls by 20% every year. What will it be worth after 3 years (in ₹)?
30. 30.What is the difference between the compound interest and the simple interest on ₹47600 at 15% per year for 2 years (in ₹)?
31. 31.What is the difference between the compound interest and the simple interest on ₹25000 at 4% per year for 2 years (in ₹)?
32. 32.A scooter is worth ₹33600. Its value falls by 5% every year. What will it be worth after 2 years (in ₹)?
33. 33.Find the compound interest on ₹50000 at 12% per year for 1 year, compounded every year (in ₹).
34. 34.Find the compound interest on ₹19700 at 12% per year for 1 year, compounded every year (in ₹).
35. 35.Find the compound interest on ₹32000 at 5% per year for 3 years, compounded every year (in ₹).
36. 36.What amount will ₹31800 grow to in 1 year at 5% per year compound interest (in ₹)?
37. 37.Find the compound interest on ₹54500 at 20% per year for 3 years, compounded every year (in ₹).
38. 38.What amount will ₹42500 grow to in 2 years at 4% per year compound interest (in ₹)?
39. 39.What amount will ₹48000 grow to in 3 years at 5% per year compound interest (in ₹)?
40. 40.What amount will ₹40600 grow to in 1 year at 15% per year compound interest (in ₹)?

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