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Compound Interest Worksheet

Quantitative aptitude lesson 15: Compound interest · Set 844 · 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 ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
  2. 2.Find the compound interest on ₹48900 at 10% per year for 2 years, added every year (in ₹).
  3. 3.Find the compound interest on ₹13125 at 4% per year for 2 years, added every year (in ₹).
  4. 4.Find the compound interest on ₹26000 at 15% per year for 2 years, added every year (in ₹).
  5. 5.What is the difference between the compound interest and the simple interest on ₹7000 at 20% per year for 2 years (in ₹)?
  6. 6.What is the difference between the compound interest and the simple interest on ₹14900 at 10% per year for 2 years (in ₹)?
  7. 7.What is the difference between the compound interest and the simple interest on ₹17500 at 12% per year for 2 years (in ₹)?
  8. 8.Find the amount when ₹8000 is invested at 5% per year compound interest for 3 years (in ₹).
  9. 9.What is the difference between the compound interest and the simple interest on ₹1400 at 10% per year for 2 years (in ₹)?
  10. 10.Find the amount when ₹40000 is invested at 12% per year compound interest for 2 years (in ₹).
  11. 11.Find the amount when ₹23875 is invested at 20% per year compound interest for 3 years (in ₹).
  12. 12.What is the difference between the compound interest and the simple interest on ₹36400 at 5% per year for 2 years (in ₹)?
  13. 13.Find the amount when ₹31875 is invested at 12% per year compound interest for 2 years (in ₹).
  14. 14.Find the amount when ₹39800 is invested at 10% per year compound interest for 2 years (in ₹).
  15. 15.Find the compound interest on ₹5824 at 25% per year for 3 years, added every year (in ₹).
  16. 16.Find the amount when ₹44200 is invested at 10% per year compound interest for 2 years (in ₹).
  17. 17.What is the difference between the compound interest and the simple interest on ₹26700 at 20% per year for 2 years (in ₹)?
  18. 18.What is the difference between the compound interest and the simple interest on ₹400 at 5% per year for 2 years (in ₹)?
  19. 19.What is the difference between the compound interest and the simple interest on ₹7500 at 12% per year for 2 years (in ₹)?
  20. 20.Find the compound interest on ₹800 at 15% per year for 2 years, added every year (in ₹).
  21. 21.Find the amount when ₹19375 is invested at 4% per year compound interest for 2 years (in ₹).
  22. 22.Find the compound interest on ₹49024 at 25% per year for 3 years, added every year (in ₹).
  23. 23.Find the amount when ₹38000 is invested at 10% per year compound interest for 2 years (in ₹).
  24. 24.Find the amount when ₹1072 is invested at 25% per year compound interest for 2 years (in ₹).
  25. 25.What is the difference between the compound interest and the simple interest on ₹35000 at 4% per year for 2 years (in ₹)?
  26. 26.Find the amount when ₹46875 is invested at 8% per year compound interest for 3 years (in ₹).
  27. 27.Find the compound interest on ₹24800 at 15% per year for 2 years, added every year (in ₹).
  28. 28.Find the compound interest on ₹18600 at 10% per year for 2 years, added every year (in ₹).
  29. 29.Find the amount when ₹8000 is invested at 15% per year compound interest for 3 years (in ₹).
  30. 30.What is the difference between the compound interest and the simple interest on ₹23900 at 20% per year for 2 years (in ₹)?
  31. 31.Find the amount when ₹46875 is invested at 4% per year compound interest for 3 years (in ₹).
  32. 32.What is the difference between the compound interest and the simple interest on ₹34400 at 25% per year for 2 years (in ₹)?
  33. 33.Find the amount when ₹35000 is invested at 10% per year compound interest for 3 years (in ₹).
  34. 34.Find the amount when ₹36750 is invested at 20% per year compound interest for 2 years (in ₹).
  35. 35.Find the amount when ₹20800 is invested at 5% per year compound interest for 2 years (in ₹).
  36. 36.Find the amount when ₹800 is invested at 5% per year compound interest for 2 years (in ₹).
  37. 37.What is the difference between the compound interest and the simple interest on ₹37400 at 20% per year for 2 years (in ₹)?
  38. 38.Find the amount when ₹9750 is invested at 20% per year compound interest for 3 years (in ₹).
  39. 39.Find the amount when ₹10000 is invested at 8% per year compound interest for 2 years (in ₹).
  40. 40.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).

Answer key

  1. 19683
  2. 10269
  3. 1071
  4. 8385
  5. 280
  6. 149
  7. 252
  8. 9261
  9. 14
  10. 50176
  11. 41256
  12. 91
  13. 39984
  14. 48158
  15. 5551
  16. 53482
  17. 1068
  18. 1
  19. 108
  20. 258
  21. 20956
  22. 46726
  23. 45980
  24. 1675
  25. 56
  26. 59049
  27. 7998
  28. 3906
  29. 12167
  30. 956
  31. 52728
  32. 2150
  33. 46585
  34. 52920
  35. 22932
  36. 882
  37. 1496
  38. 16848
  39. 11664
  40. 17576

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