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Compound Interest Worksheet

Quantitative aptitude lesson 15: Compound interest · Set 561 · 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 compound interest on ₹18640 at 25% per year for 2 years, added every year (in ₹).
  2. 2.Find the compound interest on ₹40000 at 15% per year for 3 years, added every year (in ₹).
  3. 3.What is the difference between the compound interest and the simple interest on ₹46400 at 5% per year for 2 years (in ₹)?
  4. 4.What is the difference between the compound interest and the simple interest on ₹15600 at 25% per year for 2 years (in ₹)?
  5. 5.Find the amount when ₹15000 is invested at 4% per year compound interest for 2 years (in ₹).
  6. 6.What is the difference between the compound interest and the simple interest on ₹47500 at 4% per year for 2 years (in ₹)?
  7. 7.What is the difference between the compound interest and the simple interest on ₹40000 at 8% per year for 2 years (in ₹)?
  8. 8.Find the amount when ₹12800 is invested at 15% per year compound interest for 2 years (in ₹).
  9. 9.What is the difference between the compound interest and the simple interest on ₹17500 at 8% per year for 2 years (in ₹)?
  10. 10.Find the compound interest on ₹46875 at 12% per year for 3 years, added every year (in ₹).
  11. 11.What is the difference between the compound interest and the simple interest on ₹7500 at 8% per year for 2 years (in ₹)?
  12. 12.What is the difference between the compound interest and the simple interest on ₹21200 at 25% per year for 2 years (in ₹)?
  13. 13.Find the amount when ₹9600 is invested at 5% per year compound interest for 2 years (in ₹).
  14. 14.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
  15. 15.Find the compound interest on ₹33750 at 4% per year for 2 years, added every year (in ₹).
  16. 16.Find the amount when ₹24875 is invested at 20% per year compound interest for 3 years (in ₹).
  17. 17.Find the amount when ₹24775 is invested at 20% per year compound interest for 2 years (in ₹).
  18. 18.Find the amount when ₹49550 is invested at 20% per year compound interest for 2 years (in ₹).
  19. 19.What is the difference between the compound interest and the simple interest on ₹31600 at 5% per year for 2 years (in ₹)?
  20. 20.Find the compound interest on ₹37500 at 4% per year for 2 years, added every year (in ₹).
  21. 21.What is the difference between the compound interest and the simple interest on ₹40000 at 4% per year for 2 years (in ₹)?
  22. 22.Find the amount when ₹8800 is invested at 5% per year compound interest for 2 years (in ₹).
  23. 23.Find the compound interest on ₹720 at 25% per year for 2 years, added every year (in ₹).
  24. 24.Find the compound interest on ₹36400 at 5% per year for 2 years, added every year (in ₹).
  25. 25.Find the compound interest on ₹44000 at 5% per year for 2 years, added every year (in ₹).
  26. 26.Find the amount when ₹7500 is invested at 12% per year compound interest for 2 years (in ₹).
  27. 27.What is the difference between the compound interest and the simple interest on ₹42500 at 10% per year for 2 years (in ₹)?
  28. 28.Find the amount when ₹40000 is invested at 15% per year compound interest for 3 years (in ₹).
  29. 29.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
  30. 30.Find the compound interest on ₹45000 at 10% per year for 3 years, added every year (in ₹).
  31. 31.Find the amount when ₹21200 is invested at 15% per year compound interest for 2 years (in ₹).
  32. 32.What is the difference between the compound interest and the simple interest on ₹28900 at 20% per year for 2 years (in ₹)?
  33. 33.Find the amount when ₹12400 is invested at 10% per year compound interest for 2 years (in ₹).
  34. 34.What is the difference between the compound interest and the simple interest on ₹18000 at 15% per year for 2 years (in ₹)?
  35. 35.What is the difference between the compound interest and the simple interest on ₹19600 at 5% per year for 2 years (in ₹)?
  36. 36.Find the amount when ₹14272 is invested at 25% per year compound interest for 3 years (in ₹).
  37. 37.Find the compound interest on ₹15625 at 12% per year for 3 years, added every year (in ₹).
  38. 38.What is the difference between the compound interest and the simple interest on ₹3600 at 15% per year for 2 years (in ₹)?
  39. 39.Find the compound interest on ₹46875 at 8% per year for 3 years, added every year (in ₹).
  40. 40.Find the compound interest on ₹2375 at 20% per year for 3 years, added every year (in ₹).

Answer key

  1. 10485
  2. 20835
  3. 116
  4. 975
  5. 16224
  6. 76
  7. 256
  8. 16928
  9. 112
  10. 18981
  11. 48
  12. 1325
  13. 10584
  14. 19683
  15. 2754
  16. 42984
  17. 35676
  18. 71352
  19. 79
  20. 3060
  21. 64
  22. 9702
  23. 405
  24. 3731
  25. 4510
  26. 9408
  27. 425
  28. 60835
  29. 8116
  30. 14895
  31. 28037
  32. 1156
  33. 15004
  34. 405
  35. 49
  36. 27875
  37. 6327
  38. 81
  39. 12174
  40. 1729

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