Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 34 · 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 ₹35200 at 5% per year for 2 years (in ₹)?
2. 2.What amount will ₹24000 grow to in 3 years at 15% per year compound interest (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹12500 at 8% per year for 2 years (in ₹)?
4. 4.What is the difference between the compound interest and the simple interest on ₹32500 at 8% per year for 2 years (in ₹)?
5. 5.What is the difference between the compound interest and the simple interest on ₹58700 at 20% per year for 2 years (in ₹)?
6. 6.Find the compound interest on ₹44000 at 10% per year for 2 years, compounded every year (in ₹).
7. 7.A scooter is worth ₹44000. Its value falls by 10% every year. What will it be worth after 3 years (in ₹)?
8. 8.Find the compound interest on ₹42000 at 10% per year for 3 years, compounded every year (in ₹).
9. 9.What amount will ₹48000 grow to in 2 years at 5% per year compound interest (in ₹)?
10. 10.Find the compound interest on ₹57800 at 15% per year for 1 year, compounded every year (in ₹).
11. 11.What amount will ₹56000 grow to in 3 years at 5% per year compound interest (in ₹)?
12. 12.What amount will ₹17500 grow to in 2 years at 4% per year compound interest (in ₹)?
13. 13.What is the difference between the compound interest and the simple interest on ₹30000 at 4% per year for 2 years (in ₹)?
14. 14.Find the compound interest on ₹15000 at 10% per year for 3 years, compounded every year (in ₹).
15. 15.What amount will ₹33600 grow to in 1 year at 4% per year compound interest (in ₹)?
16. 16.What is the difference between the compound interest and the simple interest on ₹48400 at 25% per year for 2 years (in ₹)?
17. 17.Find the compound interest on ₹34800 at 5% per year for 2 years, compounded every year (in ₹).
18. 18.What is the difference between the compound interest and the simple interest on ₹42500 at 12% per year for 2 years (in ₹)?
19. 19.What amount will ₹25000 grow to in 2 years at 8% per year compound interest (in ₹)?
20. 20.What is the difference between the compound interest and the simple interest on ₹23200 at 5% per year for 2 years (in ₹)?
21. 21.What is the difference between the compound interest and the simple interest on ₹43600 at 5% per year for 2 years (in ₹)?
22. 22.A scooter is worth ₹5500. Its value falls by 25% every year. What will it be worth after 1 year (in ₹)?
23. 23.Find the compound interest on ₹15200 at 15% per year for 2 years, compounded every year (in ₹).
24. 24.What amount will ₹15000 grow to in 3 years at 20% per year compound interest (in ₹)?
25. 25.Find the compound interest on ₹58400 at 25% per year for 2 years, compounded every year (in ₹).
26. 26.What is the difference between the compound interest and the simple interest on ₹2500 at 8% per year for 2 years (in ₹)?
27. 27.A town has 18300 people. The population grows by 20% every year. What will the population be after 1 year?
28. 28.Find the compound interest on ₹53200 at 15% per year for 2 years, compounded every year (in ₹).
29. 29.What amount will ₹16000 grow to in 3 years at 5% per year compound interest (in ₹)?
30. 30.What amount will ₹33200 grow to in 1 year at 8% per year compound interest (in ₹)?
31. 31.What is the difference between the compound interest and the simple interest on ₹37500 at 4% per year for 2 years (in ₹)?
32. 32.Find the compound interest on ₹5000 at 8% per year for 2 years, compounded every year (in ₹).
33. 33.What is the difference between the compound interest and the simple interest on ₹22000 at 10% per year for 2 years (in ₹)?
34. 34.What is the difference between the compound interest and the simple interest on ₹58900 at 10% per year for 2 years (in ₹)?
35. 35.Find the compound interest on ₹43900 at 10% per year for 2 years, compounded every year (in ₹).
36. 36.What is the difference between the compound interest and the simple interest on ₹35000 at 10% per year for 2 years (in ₹)?
37. 37.A scooter is worth ₹55300. Its value falls by 10% every year. What will it be worth after 2 years (in ₹)?
38. 38.Find the compound interest on ₹6600 at 15% per year for 1 year, compounded every year (in ₹).
39. 39.Find the compound interest on ₹31000 at 10% per year for 3 years, compounded every year (in ₹).
40. 40.Find the compound interest on ₹49300 at 12% per year for 1 year, compounded every year (in ₹).

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