Compound Interest Worksheet

Quantitative aptitude lesson 15: Compound interest · Set 621 · 40 questions

The method (Year by year): Year 1: add R% of P. Year 2: add R% of the new amount. Carry on for each year. Amount = P × (100 + R)ⁿ ÷ 100ⁿ; compound interest = amount − P. For 2 years, CI − SI = P × R × R ÷ 10000.

1. 1.What is the difference between the compound interest and the simple interest on ₹18000 at 25% per year for 2 years (in ₹)?
2. 2.Find the amount when ₹2816 is invested at 25% per year compound interest for 3 years (in ₹).
3. 3.What is the difference between the compound interest and the simple interest on ₹37200 at 15% per year for 2 years (in ₹)?
4. 4.What is the difference between the compound interest and the simple interest on ₹8400 at 5% per year for 2 years (in ₹)?
5. 5.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
6. 6.What is the difference between the compound interest and the simple interest on ₹30000 at 4% per year for 2 years (in ₹)?
7. 7.Find the compound interest on ₹31250 at 12% per year for 3 years, added every year (in ₹).
8. 8.Find the amount when ₹34048 is invested at 25% per year compound interest for 3 years (in ₹).
9. 9.What is the difference between the compound interest and the simple interest on ₹47500 at 4% per year for 2 years (in ₹)?
10. 10.Find the compound interest on ₹40000 at 15% per year for 3 years, added every year (in ₹).
11. 11.Find the amount when ₹41875 is invested at 4% per year compound interest for 2 years (in ₹).
12. 12.What is the difference between the compound interest and the simple interest on ₹27500 at 12% per year for 2 years (in ₹)?
13. 13.What is the difference between the compound interest and the simple interest on ₹34600 at 20% per year for 2 years (in ₹)?
14. 14.Find the amount when ₹15625 is invested at 12% per year compound interest for 3 years (in ₹).
15. 15.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
16. 16.What is the difference between the compound interest and the simple interest on ₹47200 at 15% per year for 2 years (in ₹)?
17. 17.What is the difference between the compound interest and the simple interest on ₹22200 at 20% per year for 2 years (in ₹)?
18. 18.Find the amount when ₹31250 is invested at 4% per year compound interest for 3 years (in ₹).
19. 19.What is the difference between the compound interest and the simple interest on ₹42500 at 4% per year for 2 years (in ₹)?
20. 20.Find the amount when ₹28375 is invested at 20% per year compound interest for 3 years (in ₹).
21. 21.What is the difference between the compound interest and the simple interest on ₹47400 at 20% per year for 2 years (in ₹)?
22. 22.Find the amount when ₹38400 is invested at 5% per year compound interest for 2 years (in ₹).
23. 23.Find the compound interest on ₹44375 at 8% per year for 2 years, added every year (in ₹).
24. 24.Find the compound interest on ₹8000 at 5% per year for 3 years, added every year (in ₹).
25. 25.What is the difference between the compound interest and the simple interest on ₹47200 at 20% per year for 2 years (in ₹)?
26. 26.What is the difference between the compound interest and the simple interest on ₹28400 at 10% per year for 2 years (in ₹)?
27. 27.What is the difference between the compound interest and the simple interest on ₹35400 at 10% per year for 2 years (in ₹)?
28. 28.What is the difference between the compound interest and the simple interest on ₹49700 at 20% per year for 2 years (in ₹)?
29. 29.Find the amount when ₹13750 is invested at 4% per year compound interest for 2 years (in ₹).
30. 30.What is the difference between the compound interest and the simple interest on ₹24800 at 15% per year for 2 years (in ₹)?
31. 31.Find the compound interest on ₹46875 at 12% per year for 3 years, added every year (in ₹).
32. 32.What is the difference between the compound interest and the simple interest on ₹45400 at 20% per year for 2 years (in ₹)?
33. 33.Find the amount when ₹42000 is invested at 20% per year compound interest for 3 years (in ₹).
34. 34.Find the amount when ₹32400 is invested at 15% per year compound interest for 2 years (in ₹).
35. 35.Find the amount when ₹19100 is invested at 10% per year compound interest for 2 years (in ₹).
36. 36.Find the compound interest on ₹2000 at 5% per year for 2 years, added every year (in ₹).
37. 37.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
38. 38.What is the difference between the compound interest and the simple interest on ₹7500 at 12% per year for 2 years (in ₹)?
39. 39.Find the compound interest on ₹1056 at 25% per year for 2 years, added every year (in ₹).
40. 40.Find the compound interest on ₹1600 at 5% per year for 2 years, added every year (in ₹).

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