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Compound Interest Worksheet

Quantitative aptitude lesson 15: Compound interest · Set 681 · 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 ₹9000 is invested at 10% per year compound interest for 3 years (in ₹).
  2. 2.Find the amount when ₹44224 is invested at 25% per year compound interest for 3 years (in ₹).
  3. 3.Find the compound interest on ₹8000 at 10% per year for 3 years, added every year (in ₹).
  4. 4.Find the compound interest on ₹21504 at 25% per year for 3 years, added every year (in ₹).
  5. 5.Find the compound interest on ₹6250 at 8% per year for 2 years, added every year (in ₹).
  6. 6.What is the difference between the compound interest and the simple interest on ₹5600 at 10% per year for 2 years (in ₹)?
  7. 7.Find the compound interest on ₹38750 at 4% per year for 2 years, added every year (in ₹).
  8. 8.What is the difference between the compound interest and the simple interest on ₹2500 at 4% per year for 2 years (in ₹)?
  9. 9.Find the compound interest on ₹2100 at 10% per year for 2 years, added every year (in ₹).
  10. 10.What is the difference between the compound interest and the simple interest on ₹30500 at 10% per year for 2 years (in ₹)?
  11. 11.Find the compound interest on ₹15625 at 8% per year for 3 years, added every year (in ₹).
  12. 12.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
  13. 13.Find the compound interest on ₹25375 at 20% per year for 3 years, added every year (in ₹).
  14. 14.Find the compound interest on ₹22600 at 10% per year for 2 years, added every year (in ₹).
  15. 15.Find the amount when ₹26850 is invested at 20% per year compound interest for 2 years (in ₹).
  16. 16.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
  17. 17.Find the amount when ₹22800 is invested at 15% per year compound interest for 2 years (in ₹).
  18. 18.What is the difference between the compound interest and the simple interest on ₹13600 at 5% per year for 2 years (in ₹)?
  19. 19.Find the amount when ₹24000 is invested at 5% per year compound interest for 2 years (in ₹).
  20. 20.Find the amount when ₹8400 is invested at 15% per year compound interest for 2 years (in ₹).
  21. 21.Find the compound interest on ₹31250 at 4% per year for 3 years, added every year (in ₹).
  22. 22.Find the compound interest on ₹45200 at 5% per year for 2 years, added every year (in ₹).
  23. 23.What is the difference between the compound interest and the simple interest on ₹41200 at 20% per year for 2 years (in ₹)?
  24. 24.Find the amount when ₹26560 is invested at 25% per year compound interest for 2 years (in ₹).
  25. 25.Find the amount when ₹27200 is invested at 15% per year compound interest for 2 years (in ₹).
  26. 26.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
  27. 27.Find the amount when ₹25000 is invested at 12% per year compound interest for 2 years (in ₹).
  28. 28.Find the amount when ₹4000 is invested at 10% per year compound interest for 3 years (in ₹).
  29. 29.Find the amount when ₹46250 is invested at 12% per year compound interest for 2 years (in ₹).
  30. 30.Find the amount when ₹11500 is invested at 10% per year compound interest for 2 years (in ₹).
  31. 31.Find the amount when ₹15744 is invested at 25% per year compound interest for 3 years (in ₹).
  32. 32.What is the difference between the compound interest and the simple interest on ₹30000 at 4% per year for 2 years (in ₹)?
  33. 33.What is the difference between the compound interest and the simple interest on ₹44800 at 15% per year for 2 years (in ₹)?
  34. 34.Find the compound interest on ₹29600 at 5% per year for 2 years, added every year (in ₹).
  35. 35.Find the compound interest on ₹1075 at 20% per year for 2 years, added every year (in ₹).
  36. 36.Find the compound interest on ₹45600 at 15% per year for 2 years, added every year (in ₹).
  37. 37.What is the difference between the compound interest and the simple interest on ₹35000 at 12% per year for 2 years (in ₹)?
  38. 38.Find the compound interest on ₹15625 at 12% per year for 3 years, added every year (in ₹).
  39. 39.Find the amount when ₹33600 is invested at 10% per year compound interest for 2 years (in ₹).
  40. 40.Find the compound interest on ₹7550 at 20% per year for 2 years, added every year (in ₹).

Answer key

  1. 11979
  2. 86375
  3. 2648
  4. 20496
  5. 1040
  6. 56
  7. 3162
  8. 4
  9. 441
  10. 305
  11. 4058
  12. 17576
  13. 18473
  14. 4746
  15. 38664
  16. 37044
  17. 30153
  18. 34
  19. 26460
  20. 11109
  21. 3902
  22. 4633
  23. 1648
  24. 41500
  25. 35972
  26. 8116
  27. 31360
  28. 5324
  29. 58016
  30. 13915
  31. 30750
  32. 48
  33. 1008
  34. 3034
  35. 473
  36. 14706
  37. 504
  38. 6327
  39. 40656
  40. 3322

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