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Compound Interest Worksheet

Quantitative aptitude lesson 15: Compound interest · Set 872 · 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 ₹12800 at 10% per year for 2 years (in ₹)?
  2. 2.Find the amount when ₹32000 is invested at 15% per year compound interest for 3 years (in ₹).
  3. 3.What is the difference between the compound interest and the simple interest on ₹10800 at 15% per year for 2 years (in ₹)?
  4. 4.What is the difference between the compound interest and the simple interest on ₹45000 at 12% per year for 2 years (in ₹)?
  5. 5.What is the difference between the compound interest and the simple interest on ₹4900 at 20% per year for 2 years (in ₹)?
  6. 6.Find the compound interest on ₹9375 at 8% per year for 2 years, added every year (in ₹).
  7. 7.Find the amount when ₹11925 is invested at 20% per year compound interest for 2 years (in ₹).
  8. 8.Find the amount when ₹21696 is invested at 25% per year compound interest for 3 years (in ₹).
  9. 9.What is the difference between the compound interest and the simple interest on ₹2500 at 4% per year for 2 years (in ₹)?
  10. 10.What is the difference between the compound interest and the simple interest on ₹35000 at 8% per year for 2 years (in ₹)?
  11. 11.What is the difference between the compound interest and the simple interest on ₹15000 at 12% per year for 2 years (in ₹)?
  12. 12.Find the compound interest on ₹49000 at 10% per year for 3 years, added every year (in ₹).
  13. 13.Find the amount when ₹46875 is invested at 4% per year compound interest for 3 years (in ₹).
  14. 14.What is the difference between the compound interest and the simple interest on ₹25000 at 12% per year for 2 years (in ₹)?
  15. 15.Find the compound interest on ₹38464 at 25% per year for 3 years, added every year (in ₹).
  16. 16.What is the difference between the compound interest and the simple interest on ₹26400 at 25% per year for 2 years (in ₹)?
  17. 17.Find the amount when ₹9375 is invested at 12% per year compound interest for 2 years (in ₹).
  18. 18.What is the difference between the compound interest and the simple interest on ₹16300 at 10% 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.What is the difference between the compound interest and the simple interest on ₹27200 at 10% per year for 2 years (in ₹)?
  21. 21.Find the amount when ₹46400 is invested at 5% per year compound interest for 2 years (in ₹).
  22. 22.Find the amount when ₹48000 is invested at 5% per year compound interest for 3 years (in ₹).
  23. 23.Find the amount when ₹38125 is invested at 8% per year compound interest for 2 years (in ₹).
  24. 24.What is the difference between the compound interest and the simple interest on ₹17500 at 8% per year for 2 years (in ₹)?
  25. 25.Find the amount when ₹17000 is invested at 10% per year compound interest for 3 years (in ₹).
  26. 26.Find the compound interest on ₹41250 at 4% per year for 2 years, added every year (in ₹).
  27. 27.Find the compound interest on ₹48576 at 25% per year for 3 years, added every year (in ₹).
  28. 28.Find the amount when ₹18750 is invested at 20% per year compound interest for 2 years (in ₹).
  29. 29.What is the difference between the compound interest and the simple interest on ₹8000 at 5% per year for 2 years (in ₹)?
  30. 30.Find the amount when ₹40875 is invested at 20% per year compound interest for 3 years (in ₹).
  31. 31.Find the amount when ₹26250 is invested at 12% per year compound interest for 2 years (in ₹).
  32. 32.Find the amount when ₹31250 is invested at 12% per year compound interest for 3 years (in ₹).
  33. 33.Find the amount when ₹24375 is invested at 4% per year compound interest for 2 years (in ₹).
  34. 34.Find the compound interest on ₹46875 at 8% per year for 3 years, added every year (in ₹).
  35. 35.Find the amount when ₹31250 is invested at 4% per year compound interest for 3 years (in ₹).
  36. 36.What is the difference between the compound interest and the simple interest on ₹37200 at 15% per year for 2 years (in ₹)?
  37. 37.What is the difference between the compound interest and the simple interest on ₹42000 at 5% per year for 2 years (in ₹)?
  38. 38.Find the compound interest on ₹39875 at 20% per year for 3 years, added every year (in ₹).
  39. 39.What is the difference between the compound interest and the simple interest on ₹20000 at 12% per year for 2 years (in ₹)?
  40. 40.Find the amount when ₹24000 is invested at 5% per year compound interest for 3 years (in ₹).

Answer key

  1. 128
  2. 48668
  3. 243
  4. 648
  5. 196
  6. 1560
  7. 17172
  8. 42375
  9. 4
  10. 224
  11. 216
  12. 16219
  13. 52728
  14. 360
  15. 36661
  16. 1650
  17. 11760
  18. 163
  19. 60835
  20. 272
  21. 51156
  22. 55566
  23. 44469
  24. 112
  25. 22627
  26. 3366
  27. 46299
  28. 27000
  29. 20
  30. 70632
  31. 32928
  32. 43904
  33. 26364
  34. 12174
  35. 35152
  36. 837
  37. 105
  38. 29029
  39. 288
  40. 27783

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