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Compound Interest Worksheet

Quantitative aptitude lesson 15: Compound interest · Set 375 · 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.What is the difference between the compound interest and the simple interest on ₹36400 at 25% per year for 2 years (in ₹)?
  2. 2.Find the amount when ₹31375 is invested at 20% per year compound interest for 3 years (in ₹).
  3. 3.Find the amount when ₹38000 is invested at 10% per year compound interest for 3 years (in ₹).
  4. 4.Find the amount when ₹46875 is invested at 12% per year compound interest for 3 years (in ₹).
  5. 5.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
  6. 6.Find the amount when ₹31250 is invested at 8% per year compound interest for 3 years (in ₹).
  7. 7.Find the amount when ₹35824 is invested at 25% per year compound interest for 2 years (in ₹).
  8. 8.Find the compound interest on ₹8000 at 5% per year for 3 years, added every year (in ₹).
  9. 9.What is the difference between the compound interest and the simple interest on ₹10000 at 12% per year for 2 years (in ₹)?
  10. 10.What is the difference between the compound interest and the simple interest on ₹6800 at 20% per year for 2 years (in ₹)?
  11. 11.Find the amount when ₹35750 is invested at 20% per year compound interest for 3 years (in ₹).
  12. 12.Find the compound interest on ₹32000 at 15% per year for 3 years, added every year (in ₹).
  13. 13.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
  14. 14.Find the compound interest on ₹6875 at 8% per year for 2 years, added every year (in ₹).
  15. 15.What is the difference between the compound interest and the simple interest on ₹30000 at 12% per year for 2 years (in ₹)?
  16. 16.Find the compound interest on ₹11600 at 5% per year for 2 years, added every year (in ₹).
  17. 17.Find the compound interest on ₹16000 at 5% per year for 3 years, added every year (in ₹).
  18. 18.Find the compound interest on ₹6875 at 4% per year for 2 years, added every year (in ₹).
  19. 19.Find the compound interest on ₹40640 at 25% per year for 3 years, added every year (in ₹).
  20. 20.Find the compound interest on ₹2400 at 5% per year for 2 years, added every year (in ₹).
  21. 21.What is the difference between the compound interest and the simple interest on ₹24400 at 5% per year for 2 years (in ₹)?
  22. 22.Find the amount when ₹24000 is invested at 15% per year compound interest for 3 years (in ₹).
  23. 23.What is the difference between the compound interest and the simple interest on ₹3000 at 20% per year for 2 years (in ₹)?
  24. 24.Find the compound interest on ₹32144 at 25% per year for 2 years, added every year (in ₹).
  25. 25.What is the difference between the compound interest and the simple interest on ₹42500 at 12% per year for 2 years (in ₹)?
  26. 26.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
  27. 27.What is the difference between the compound interest and the simple interest on ₹37500 at 12% per year for 2 years (in ₹)?
  28. 28.What is the difference between the compound interest and the simple interest on ₹42000 at 5% per year for 2 years (in ₹)?
  29. 29.Find the amount when ₹47175 is invested at 20% per year compound interest for 2 years (in ₹).
  30. 30.Find the amount when ₹42900 is invested at 10% per year compound interest for 2 years (in ₹).
  31. 31.What is the difference between the compound interest and the simple interest on ₹50000 at 8% per year for 2 years (in ₹)?
  32. 32.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
  33. 33.Find the compound interest on ₹32000 at 5% per year for 3 years, added every year (in ₹).
  34. 34.Find the amount when ₹11200 is invested at 5% per year compound interest for 2 years (in ₹).
  35. 35.Find the compound interest on ₹30400 at 5% per year for 2 years, added every year (in ₹).
  36. 36.What is the difference between the compound interest and the simple interest on ₹15600 at 15% per year for 2 years (in ₹)?
  37. 37.Find the amount when ₹10150 is invested at 20% per year compound interest for 2 years (in ₹).
  38. 38.Find the amount when ₹15700 is invested at 10% per year compound interest for 2 years (in ₹).
  39. 39.What is the difference between the compound interest and the simple interest on ₹6000 at 15% per year for 2 years (in ₹)?
  40. 40.Find the compound interest on ₹46875 at 8% per year for 2 years, added every year (in ₹).

Answer key

  1. 2275
  2. 54216
  3. 50578
  4. 65856
  5. 8116
  6. 39366
  7. 55975
  8. 1261
  9. 144
  10. 272
  11. 61776
  12. 16668
  13. 37044
  14. 1144
  15. 432
  16. 1189
  17. 2522
  18. 561
  19. 38735
  20. 246
  21. 61
  22. 36501
  23. 120
  24. 18081
  25. 612
  26. 19683
  27. 540
  28. 105
  29. 67932
  30. 51909
  31. 320
  32. 17576
  33. 5044
  34. 12348
  35. 3116
  36. 351
  37. 14616
  38. 18997
  39. 135
  40. 7800

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