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Compound Interest Worksheet

Quantitative aptitude lesson 15: Compound interest · Set 256 · 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 ₹40000 at 15% per year for 3 years, added every year (in ₹).
  2. 2.Find the amount when ₹15625 is invested at 12% per year compound interest for 3 years (in ₹).
  3. 3.Find the amount when ₹28176 is invested at 25% per year compound interest for 2 years (in ₹).
  4. 4.What is the difference between the compound interest and the simple interest on ₹49600 at 15% per year for 2 years (in ₹)?
  5. 5.What is the difference between the compound interest and the simple interest on ₹7200 at 25% per year for 2 years (in ₹)?
  6. 6.What is the difference between the compound interest and the simple interest on ₹15000 at 12% per year for 2 years (in ₹)?
  7. 7.Find the amount when ₹46875 is invested at 8% per year compound interest for 3 years (in ₹).
  8. 8.Find the amount when ₹1152 is invested at 25% per year compound interest for 2 years (in ₹).
  9. 9.Find the compound interest on ₹31250 at 4% per year for 3 years, added every year (in ₹).
  10. 10.Find the compound interest on ₹48000 at 5% per year for 2 years, added every year (in ₹).
  11. 11.Find the compound interest on ₹7000 at 10% per year for 3 years, added every year (in ₹).
  12. 12.Find the compound interest on ₹8000 at 15% per year for 3 years, added every year (in ₹).
  13. 13.Find the amount when ₹31250 is invested at 8% per year compound interest for 3 years (in ₹).
  14. 14.Find the compound interest on ₹37000 at 10% per year for 3 years, added every year (in ₹).
  15. 15.What is the difference between the compound interest and the simple interest on ₹12500 at 8% per year for 2 years (in ₹)?
  16. 16.What is the difference between the compound interest and the simple interest on ₹27500 at 12% per year for 2 years (in ₹)?
  17. 17.Find the amount when ₹7136 is invested at 25% per year compound interest for 2 years (in ₹).
  18. 18.Find the compound interest on ₹31250 at 12% per year for 3 years, added every year (in ₹).
  19. 19.What is the difference between the compound interest and the simple interest on ₹10400 at 15% per year for 2 years (in ₹)?
  20. 20.What is the difference between the compound interest and the simple interest on ₹30200 at 20% per year for 2 years (in ₹)?
  21. 21.Find the amount when ₹46875 is invested at 12% per year compound interest for 3 years (in ₹).
  22. 22.What is the difference between the compound interest and the simple interest on ₹22600 at 10% per year for 2 years (in ₹)?
  23. 23.What is the difference between the compound interest and the simple interest on ₹24400 at 15% per year for 2 years (in ₹)?
  24. 24.Find the amount when ₹19825 is invested at 20% per year compound interest for 2 years (in ₹).
  25. 25.What is the difference between the compound interest and the simple interest on ₹18700 at 10% per year for 2 years (in ₹)?
  26. 26.Find the compound interest on ₹46875 at 4% per year for 3 years, added every year (in ₹).
  27. 27.What is the difference between the compound interest and the simple interest on ₹28800 at 5% per year for 2 years (in ₹)?
  28. 28.Find the amount when ₹47000 is invested at 20% per year compound interest for 3 years (in ₹).
  29. 29.Find the amount when ₹45000 is invested at 4% per year compound interest for 2 years (in ₹).
  30. 30.Find the compound interest on ₹35000 at 10% per year for 3 years, added every year (in ₹).
  31. 31.Find the amount when ₹48000 is invested at 15% per year compound interest for 3 years (in ₹).
  32. 32.Find the amount when ₹26500 is invested at 10% per year compound interest for 2 years (in ₹).
  33. 33.Find the amount when ₹42500 is invested at 8% per year compound interest for 2 years (in ₹).
  34. 34.What is the difference between the compound interest and the simple interest on ₹26800 at 5% per year for 2 years (in ₹)?
  35. 35.What is the difference between the compound interest and the simple interest on ₹32500 at 8% per year for 2 years (in ₹)?
  36. 36.Find the compound interest on ₹38125 at 4% per year for 2 years, added every year (in ₹).
  37. 37.What is the difference between the compound interest and the simple interest on ₹10800 at 15% per year for 2 years (in ₹)?
  38. 38.Find the amount when ₹30000 is invested at 5% per year compound interest for 2 years (in ₹).
  39. 39.Find the amount when ₹38272 is invested at 25% per year compound interest for 3 years (in ₹).
  40. 40.Find the amount when ₹400 is invested at 5% per year compound interest for 2 years (in ₹).

Answer key

  1. 20835
  2. 21952
  3. 44025
  4. 1116
  5. 450
  6. 216
  7. 59049
  8. 1800
  9. 3902
  10. 4920
  11. 2317
  12. 4167
  13. 39366
  14. 12247
  15. 80
  16. 396
  17. 11150
  18. 12654
  19. 234
  20. 1208
  21. 65856
  22. 226
  23. 549
  24. 28548
  25. 187
  26. 5853
  27. 72
  28. 81216
  29. 48672
  30. 11585
  31. 73002
  32. 32065
  33. 49572
  34. 67
  35. 208
  36. 3111
  37. 243
  38. 33075
  39. 74750
  40. 441

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