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Compound Interest Worksheet

Quantitative aptitude lesson 15: Compound interest · Set 546 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.Find the amount when ₹9536 is invested at 25% per year compound interest for 3 years (in ₹).
  2. 2.Find the amount when ₹500 is invested at 10% per year compound interest for 2 years (in ₹).
  3. 3.Find the compound interest on ₹9375 at 12% per year for 2 years, added every year (in ₹).
  4. 4.Find the amount when ₹46250 is invested at 4% per year compound interest for 2 years (in ₹).
  5. 5.Find the compound interest on ₹625 at 4% per year for 2 years, added every year (in ₹).
  6. 6.Find the amount when ₹17000 is invested at 10% per year compound interest for 3 years (in ₹).
  7. 7.Find the amount when ₹5600 is invested at 5% per year compound interest for 2 years (in ₹).
  8. 8.Find the amount when ₹3000 is invested at 10% per year compound interest for 3 years (in ₹).
  9. 9.Find the compound interest on ₹32000 at 5% per year for 3 years, added every year (in ₹).
  10. 10.Find the amount when ₹25575 is invested at 20% per year compound interest for 2 years (in ₹).
  11. 11.Find the compound interest on ₹10400 at 15% per year for 2 years, added every year (in ₹).
  12. 12.Find the compound interest on ₹31250 at 4% per year for 3 years, added every year (in ₹).
  13. 13.What is the difference between the compound interest and the simple interest on ₹4500 at 20% per year for 2 years (in ₹)?
  14. 14.What is the difference between the compound interest and the simple interest on ₹12500 at 12% per year for 2 years (in ₹)?
  15. 15.Find the compound interest on ₹4375 at 8% per year for 2 years, added every year (in ₹).
  16. 16.Find the amount when ₹30000 is invested at 15% per year compound interest for 2 years (in ₹).
  17. 17.Find the amount when ₹15675 is invested at 20% per year compound interest for 2 years (in ₹).
  18. 18.Find the amount when ₹46875 is invested at 8% per year compound interest for 3 years (in ₹).
  19. 19.Find the amount when ₹15900 is invested at 10% per year compound interest for 2 years (in ₹).
  20. 20.Find the compound interest on ₹12000 at 10% per year for 3 years, added every year (in ₹).
  21. 21.Find the amount when ₹40000 is invested at 15% per year compound interest for 3 years (in ₹).
  22. 22.Find the amount when ₹43125 is invested at 12% per year compound interest for 2 years (in ₹).
  23. 23.Find the amount when ₹16800 is invested at 5% per year compound interest for 2 years (in ₹).
  24. 24.Find the amount when ₹40000 is invested at 5% per year compound interest for 3 years (in ₹).
  25. 25.Find the compound interest on ₹26400 at 5% per year for 2 years, added every year (in ₹).
  26. 26.Find the amount when ₹40500 is invested at 20% per year compound interest for 3 years (in ₹).
  27. 27.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
  28. 28.Find the compound interest on ₹3125 at 8% per year for 2 years, added every year (in ₹).
  29. 29.Find the amount when ₹4900 is invested at 10% per year compound interest for 2 years (in ₹).
  30. 30.What is the difference between the compound interest and the simple interest on ₹15200 at 5% per year for 2 years (in ₹)?
  31. 31.Find the amount when ₹42500 is invested at 8% per year compound interest for 2 years (in ₹).
  32. 32.What is the difference between the compound interest and the simple interest on ₹2000 at 25% per year for 2 years (in ₹)?
  33. 33.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
  34. 34.Find the amount when ₹8000 is invested at 5% per year compound interest for 3 years (in ₹).
  35. 35.Find the amount when ₹368 is invested at 25% per year compound interest for 2 years (in ₹).
  36. 36.What is the difference between the compound interest and the simple interest on ₹2000 at 5% per year for 2 years (in ₹)?
  37. 37.Find the amount when ₹6875 is invested at 8% per year compound interest for 2 years (in ₹).
  38. 38.Find the amount when ₹34400 is invested at 5% per year compound interest for 2 years (in ₹).
  39. 39.What is the difference between the compound interest and the simple interest on ₹30000 at 12% per year for 2 years (in ₹)?
  40. 40.Find the amount when ₹20400 is invested at 5% per year compound interest for 2 years (in ₹).

Answer key

  1. 18625
  2. 605
  3. 2385
  4. 50024
  5. 51
  6. 22627
  7. 6174
  8. 3993
  9. 5044
  10. 36828
  11. 3354
  12. 3902
  13. 180
  14. 180
  15. 728
  16. 39675
  17. 22572
  18. 59049
  19. 19239
  20. 3972
  21. 60835
  22. 54096
  23. 18522
  24. 46305
  25. 2706
  26. 69984
  27. 37044
  28. 520
  29. 5929
  30. 38
  31. 49572
  32. 125
  33. 19683
  34. 9261
  35. 575
  36. 5
  37. 8019
  38. 37926
  39. 432
  40. 22491

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