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Compound Interest Worksheet

Quantitative aptitude lesson 15: Compound interest · Set 160 · 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 ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
  2. 2.What is the difference between the compound interest and the simple interest on ₹41800 at 10% per year for 2 years (in ₹)?
  3. 3.Find the amount when ₹23850 is invested at 20% per year compound interest for 2 years (in ₹).
  4. 4.What is the difference between the compound interest and the simple interest on ₹22500 at 12% per year for 2 years (in ₹)?
  5. 5.What is the difference between the compound interest and the simple interest on ₹11600 at 25% per year for 2 years (in ₹)?
  6. 6.Find the compound interest on ₹17500 at 12% per year for 2 years, added every year (in ₹).
  7. 7.Find the amount when ₹5400 is invested at 10% per year compound interest for 2 years (in ₹).
  8. 8.Find the compound interest on ₹37200 at 5% per year for 2 years, added every year (in ₹).
  9. 9.Find the compound interest on ₹17056 at 25% per year for 2 years, added every year (in ₹).
  10. 10.Find the compound interest on ₹38080 at 25% per year for 3 years, added every year (in ₹).
  11. 11.Find the compound interest on ₹48000 at 5% per year for 3 years, added every year (in ₹).
  12. 12.Find the amount when ₹5200 is invested at 15% per year compound interest for 2 years (in ₹).
  13. 13.Find the amount when ₹50000 is invested at 10% per year compound interest for 3 years (in ₹).
  14. 14.Find the compound interest on ₹48080 at 25% per year for 2 years, added every year (in ₹).
  15. 15.Find the amount when ₹3600 is invested at 5% per year compound interest for 2 years (in ₹).
  16. 16.Find the compound interest on ₹49375 at 20% per year for 3 years, added every year (in ₹).
  17. 17.Find the amount when ₹46875 is invested at 12% per year compound interest for 3 years (in ₹).
  18. 18.What is the difference between the compound interest and the simple interest on ₹35900 at 10% per year for 2 years (in ₹)?
  19. 19.Find the amount when ₹16400 is invested at 15% per year compound interest for 2 years (in ₹).
  20. 20.Find the amount when ₹31250 is invested at 12% per year compound interest for 3 years (in ₹).
  21. 21.Find the amount when ₹9075 is invested at 20% per year compound interest for 2 years (in ₹).
  22. 22.Find the compound interest on ₹3750 at 12% per year for 2 years, added every year (in ₹).
  23. 23.Find the amount when ₹33536 is invested at 25% per year compound interest for 3 years (in ₹).
  24. 24.What is the difference between the compound interest and the simple interest on ₹5200 at 15% per year for 2 years (in ₹)?
  25. 25.Find the amount when ₹1800 is invested at 20% per year compound interest for 2 years (in ₹).
  26. 26.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
  27. 27.Find the amount when ₹15625 is invested at 12% per year compound interest for 3 years (in ₹).
  28. 28.Find the compound interest on ₹46400 at 15% per year for 2 years, added every year (in ₹).
  29. 29.Find the amount when ₹45600 is invested at 10% per year compound interest for 2 years (in ₹).
  30. 30.Find the compound interest on ₹15625 at 8% per year for 2 years, added every year (in ₹).
  31. 31.Find the amount when ₹28000 is invested at 15% per year compound interest for 2 years (in ₹).
  32. 32.Find the amount when ₹12500 is invested at 20% per year compound interest for 3 years (in ₹).
  33. 33.Find the compound interest on ₹16000 at 15% per year for 3 years, added every year (in ₹).
  34. 34.Find the amount when ₹6125 is invested at 20% per year compound interest for 3 years (in ₹).
  35. 35.Find the amount when ₹43264 is invested at 25% per year compound interest for 3 years (in ₹).
  36. 36.Find the amount when ₹16875 is invested at 12% per year compound interest for 2 years (in ₹).
  37. 37.Find the compound interest on ₹15625 at 4% per year for 3 years, added every year (in ₹).
  38. 38.Find the amount when ₹17175 is invested at 20% per year compound interest for 2 years (in ₹).
  39. 39.What is the difference between the compound interest and the simple interest on ₹25000 at 8% per year for 2 years (in ₹)?
  40. 40.Find the amount when ₹8800 is invested at 10% per year compound interest for 2 years (in ₹).

Answer key

  1. 37044
  2. 418
  3. 34344
  4. 324
  5. 725
  6. 4452
  7. 6534
  8. 3813
  9. 9594
  10. 36295
  11. 7566
  12. 6877
  13. 66550
  14. 27045
  15. 3969
  16. 35945
  17. 65856
  18. 359
  19. 21689
  20. 43904
  21. 13068
  22. 954
  23. 65500
  24. 117
  25. 2592
  26. 17576
  27. 21952
  28. 14964
  29. 55176
  30. 2600
  31. 37030
  32. 21600
  33. 8334
  34. 10584
  35. 84500
  36. 21168
  37. 1951
  38. 24732
  39. 160
  40. 10648

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