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Compound Interest Worksheet

Quantitative aptitude lesson 15: Compound interest · Set 19 · 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 ₹48000 is invested at 15% per year compound interest for 3 years (in ₹).
  2. 2.Find the compound interest on ₹12000 at 15% per year for 2 years, added every year (in ₹).
  3. 3.Find the amount when ₹31250 is invested at 12% per year compound interest for 3 years (in ₹).
  4. 4.Find the amount when ₹3056 is invested at 25% per year compound interest for 2 years (in ₹).
  5. 5.What is the difference between the compound interest and the simple interest on ₹10700 at 10% per year for 2 years (in ₹)?
  6. 6.Find the compound interest on ₹625 at 4% per year for 2 years, added every year (in ₹).
  7. 7.What is the difference between the compound interest and the simple interest on ₹31800 at 20% per year for 2 years (in ₹)?
  8. 8.Find the amount when ₹34016 is invested at 25% per year compound interest for 2 years (in ₹).
  9. 9.What is the difference between the compound interest and the simple interest on ₹32500 at 8% per year for 2 years (in ₹)?
  10. 10.Find the compound interest on ₹48000 at 15% 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 4% per year for 2 years (in ₹)?
  12. 12.Find the compound interest on ₹3200 at 10% per year for 2 years, added every year (in ₹).
  13. 13.Find the amount when ₹19568 is invested at 25% per year compound interest for 2 years (in ₹).
  14. 14.What is the difference between the compound interest and the simple interest on ₹29100 at 20% per year for 2 years (in ₹)?
  15. 15.Find the amount when ₹24000 is invested at 15% per year compound interest for 3 years (in ₹).
  16. 16.What is the difference between the compound interest and the simple interest on ₹500 at 20% per year for 2 years (in ₹)?
  17. 17.Find the compound interest on ₹400 at 15% per year for 2 years, added every year (in ₹).
  18. 18.What is the difference between the compound interest and the simple interest on ₹2500 at 4% per year for 2 years (in ₹)?
  19. 19.Find the amount when ₹40000 is invested at 15% per year compound interest for 3 years (in ₹).
  20. 20.Find the compound interest on ₹18400 at 5% per year for 2 years, added every year (in ₹).
  21. 21.Find the amount when ₹36992 is invested at 25% per year compound interest for 3 years (in ₹).
  22. 22.What is the difference between the compound interest and the simple interest on ₹35000 at 8% per year for 2 years (in ₹)?
  23. 23.Find the compound interest on ₹27500 at 12% per year for 2 years, added every year (in ₹).
  24. 24.Find the compound interest on ₹20000 at 10% per year for 3 years, added every year (in ₹).
  25. 25.Find the amount when ₹31875 is invested at 8% per year compound interest for 2 years (in ₹).
  26. 26.What is the difference between the compound interest and the simple interest on ₹28000 at 5% per year for 2 years (in ₹)?
  27. 27.Find the compound interest on ₹13125 at 4% per year for 2 years, added every year (in ₹).
  28. 28.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
  29. 29.Find the amount when ₹15040 is invested at 25% per year compound interest for 3 years (in ₹).
  30. 30.Find the amount when ₹4000 is invested at 10% per year compound interest for 2 years (in ₹).
  31. 31.Find the compound interest on ₹1200 at 5% per year for 2 years, added every year (in ₹).
  32. 32.Find the amount when ₹33750 is invested at 8% per year compound interest for 2 years (in ₹).
  33. 33.Find the amount when ₹46875 is invested at 8% per year compound interest for 3 years (in ₹).
  34. 34.Find the compound interest on ₹39225 at 20% per year for 2 years, added every year (in ₹).
  35. 35.Find the compound interest on ₹43300 at 10% per year for 2 years, added every year (in ₹).
  36. 36.Find the amount when ₹20544 is invested at 25% per year compound interest for 2 years (in ₹).
  37. 37.What is the difference between the compound interest and the simple interest on ₹28000 at 10% per year for 2 years (in ₹)?
  38. 38.Find the compound interest on ₹11875 at 8% per year for 2 years, added every year (in ₹).
  39. 39.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
  40. 40.Find the compound interest on ₹49296 at 25% per year for 2 years, added every year (in ₹).

Answer key

  1. 73002
  2. 3870
  3. 43904
  4. 4775
  5. 107
  6. 51
  7. 1272
  8. 53150
  9. 208
  10. 25002
  11. 12
  12. 672
  13. 30575
  14. 1164
  15. 36501
  16. 20
  17. 129
  18. 4
  19. 60835
  20. 1886
  21. 72250
  22. 224
  23. 6996
  24. 6620
  25. 37179
  26. 70
  27. 1071
  28. 37044
  29. 29375
  30. 4840
  31. 123
  32. 39366
  33. 59049
  34. 17259
  35. 9093
  36. 32100
  37. 280
  38. 1976
  39. 19683
  40. 27729

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