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Compound Interest Worksheet

Quantitative aptitude lesson 15: Compound interest · Set 768 · 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 ₹4700 at 20% per year for 2 years (in ₹)?
  2. 2.What is the difference between the compound interest and the simple interest on ₹32500 at 4% per year for 2 years (in ₹)?
  3. 3.Find the compound interest on ₹27700 at 10% per year for 2 years, added every year (in ₹).
  4. 4.Find the compound interest on ₹33500 at 20% per year for 2 years, added every year (in ₹).
  5. 5.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
  6. 6.Find the compound interest on ₹31104 at 25% per year for 3 years, added every year (in ₹).
  7. 7.Find the compound interest on ₹42800 at 5% per year for 2 years, added every year (in ₹).
  8. 8.What is the difference between the compound interest and the simple interest on ₹27100 at 10% per year for 2 years (in ₹)?
  9. 9.Find the compound interest on ₹7100 at 10% per year for 2 years, added every year (in ₹).
  10. 10.What is the difference between the compound interest and the simple interest on ₹22100 at 20% per year for 2 years (in ₹)?
  11. 11.Find the amount when ₹31250 is invested at 4% per year compound interest for 3 years (in ₹).
  12. 12.Find the amount when ₹6875 is invested at 12% per year compound interest for 2 years (in ₹).
  13. 13.Find the compound interest on ₹12288 at 25% per year for 3 years, added every year (in ₹).
  14. 14.Find the amount when ₹31250 is invested at 12% per year compound interest for 3 years (in ₹).
  15. 15.Find the amount when ₹16000 is invested at 5% per year compound interest for 3 years (in ₹).
  16. 16.What is the difference between the compound interest and the simple interest on ₹42800 at 5% per year for 2 years (in ₹)?
  17. 17.Find the compound interest on ₹14400 at 5% per year for 2 years, added every year (in ₹).
  18. 18.Find the amount when ₹26125 is invested at 20% per year compound interest for 3 years (in ₹).
  19. 19.Find the compound interest on ₹40250 at 20% per year for 3 years, added every year (in ₹).
  20. 20.Find the amount when ₹48125 is invested at 8% per year compound interest for 2 years (in ₹).
  21. 21.What is the difference between the compound interest and the simple interest on ₹7500 at 12% per year for 2 years (in ₹)?
  22. 22.Find the amount when ₹22500 is invested at 4% per year compound interest for 2 years (in ₹).
  23. 23.Find the amount when ₹5200 is invested at 10% per year compound interest for 2 years (in ₹).
  24. 24.Find the amount when ₹25000 is invested at 10% per year compound interest for 3 years (in ₹).
  25. 25.Find the compound interest on ₹30000 at 12% per year for 2 years, added every year (in ₹).
  26. 26.What is the difference between the compound interest and the simple interest on ₹40000 at 4% per year for 2 years (in ₹)?
  27. 27.What is the difference between the compound interest and the simple interest on ₹44000 at 5% per year for 2 years (in ₹)?
  28. 28.Find the amount when ₹48750 is invested at 8% per year compound interest for 2 years (in ₹).
  29. 29.Find the amount when ₹9216 is invested at 25% per year compound interest for 3 years (in ₹).
  30. 30.What is the difference between the compound interest and the simple interest on ₹12800 at 5% per year for 2 years (in ₹)?
  31. 31.Find the amount when ₹375 is invested at 20% per year compound interest for 3 years (in ₹).
  32. 32.What is the difference between the compound interest and the simple interest on ₹20400 at 5% per year for 2 years (in ₹)?
  33. 33.What is the difference between the compound interest and the simple interest on ₹10000 at 8% per year for 2 years (in ₹)?
  34. 34.Find the amount when ₹46875 is invested at 8% per year compound interest for 3 years (in ₹).
  35. 35.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
  36. 36.What is the difference between the compound interest and the simple interest on ₹3200 at 15% per year for 2 years (in ₹)?
  37. 37.Find the amount when ₹32000 is invested at 15% per year compound interest for 3 years (in ₹).
  38. 38.Find the amount when ₹28800 is invested at 15% per year compound interest for 2 years (in ₹).
  39. 39.Find the amount when ₹16300 is invested at 10% per year compound interest for 2 years (in ₹).
  40. 40.Find the compound interest on ₹15600 at 5% per year for 2 years, added every year (in ₹).

Answer key

  1. 188
  2. 52
  3. 5817
  4. 14740
  5. 19683
  6. 29646
  7. 4387
  8. 271
  9. 1491
  10. 884
  11. 35152
  12. 8624
  13. 11712
  14. 43904
  15. 18522
  16. 107
  17. 1476
  18. 45144
  19. 29302
  20. 56133
  21. 108
  22. 24336
  23. 6292
  24. 33275
  25. 7632
  26. 64
  27. 110
  28. 56862
  29. 18000
  30. 32
  31. 648
  32. 51
  33. 64
  34. 59049
  35. 37044
  36. 72
  37. 48668
  38. 38088
  39. 19723
  40. 1599

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