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Simple Interest Rate Worksheet

Percentage lesson 19: Simple interest and the rate · Set 775 · 40 questions
TalentJR

How to work it out (P × R × T over 100): Simple interest SI = P × R × T ÷ 100 (P = money kept, R = rate % a year, T = years). Amount = P + SI. Rate R = SI × 100 ÷ (P × T); time T = SI × 100 ÷ (P × R).

NameDateTime takenScore ___ / 40
  1. 1.₹3000 earns ₹840 simple interest at 7% a year. For how many years was it kept?
  2. 2.Sara keeps ₹500 in a bank at 7% simple interest a year. What is the total amount after 5 years, in rupees?
  3. 3.Sara keeps ₹1000 in a bank at 2% simple interest a year. How many rupees of interest does Sara get in 5 years?
  4. 4.₹1500 earns ₹675 simple interest in 5 years. What is the rate of interest per year, in percent?
  5. 5.₹3000 earns ₹1800 simple interest in 5 years. What is the rate of interest per year, in percent?
  6. 6.Aarav keeps ₹1000 in a bank at 10% simple interest a year. What is the total amount after 2 years, in rupees?
  7. 7.₹2000 earns ₹200 simple interest at 5% a year. For how many years was it kept?
  8. 8.₹2500 earns ₹50 simple interest at 2% a year. For how many years was it kept?
  9. 9.Sara keeps ₹4000 in a bank at 12% simple interest a year. How many rupees of interest does Sara get in 2 years?
  10. 10.₹4000 earns ₹200 simple interest in 1 year. What is the rate of interest per year, in percent?
  11. 11.₹1000 earns ₹400 simple interest at 8% a year. For how many years was it kept?
  12. 12.₹5000 earns ₹1800 simple interest at 12% a year. For how many years was it kept?
  13. 13.₹3000 earns ₹300 simple interest at 10% a year. For how many years was it kept?
  14. 14.₹500 earns ₹20 simple interest at 4% a year. For how many years was it kept?
  15. 15.Riya keeps ₹2000 in a bank at 3% simple interest a year. How many rupees of interest does Riya get in 3 years?
  16. 16.₹5000 earns ₹150 simple interest in 1 year. What is the rate of interest per year, in percent?
  17. 17.Ishaan keeps ₹1500 in a bank at 10% simple interest a year. How many rupees of interest does Ishaan get in 2 years?
  18. 18.₹1500 earns ₹120 simple interest in 2 years. What is the rate of interest per year, in percent?
  19. 19.₹2500 earns ₹100 simple interest at 4% a year. For how many years was it kept?
  20. 20.Rohan keeps ₹1500 in a bank at 5% simple interest a year. What is the total amount after 1 year, in rupees?
  21. 21.₹500 earns ₹300 simple interest in 5 years. What is the rate of interest per year, in percent?
  22. 22.₹500 earns ₹80 simple interest at 8% a year. For how many years was it kept?
  23. 23.₹500 earns ₹40 simple interest at 8% a year. For how many years was it kept?
  24. 24.Riya keeps ₹1500 in a bank at 8% simple interest a year. How many rupees of interest does Riya get in 2 years?
  25. 25.Sara keeps ₹1000 in a bank at 5% simple interest a year. How many rupees of interest does Sara get in 5 years?
  26. 26.₹1500 earns ₹90 simple interest in 2 years. What is the rate of interest per year, in percent?
  27. 27.Aarav keeps ₹500 in a bank at 3% simple interest a year. What is the total amount after 1 year, in rupees?
  28. 28.₹4000 earns ₹800 simple interest at 4% a year. For how many years was it kept?
  29. 29.₹2500 earns ₹125 simple interest at 5% a year. For how many years was it kept?
  30. 30.Ishaan keeps ₹1500 in a bank at 10% simple interest a year. How many rupees of interest does Ishaan get in 4 years?
  31. 31.₹1000 earns ₹500 simple interest in 5 years. What is the rate of interest per year, in percent?
  32. 32.₹1500 earns ₹270 simple interest in 2 years. What is the rate of interest per year, in percent?
  33. 33.Arjun keeps ₹4000 in a bank at 11% simple interest a year. How many rupees of interest does Arjun get in 4 years?
  34. 34.₹2500 earns ₹175 simple interest at 7% a year. For how many years was it kept?
  35. 35.Ishaan keeps ₹1000 in a bank at 7% simple interest a year. What is the total amount after 1 year, in rupees?
  36. 36.Kabir keeps ₹2500 in a bank at 11% simple interest a year. What is the total amount after 1 year, in rupees?
  37. 37.₹4000 earns ₹480 simple interest in 1 year. What is the rate of interest per year, in percent?
  38. 38.Aarav keeps ₹500 in a bank at 9% simple interest a year. What is the total amount after 3 years, in rupees?
  39. 39.Sara keeps ₹3000 in a bank at 11% simple interest a year. What is the total amount after 4 years, in rupees?
  40. 40.₹2000 earns ₹200 simple interest at 10% a year. For how many years was it kept?

Answer key

  1. 4
  2. 675
  3. 100
  4. 9
  5. 12
  6. 1200
  7. 2
  8. 1
  9. 960
  10. 5
  11. 5
  12. 3
  13. 1
  14. 1
  15. 180
  16. 3
  17. 300
  18. 4
  19. 1
  20. 1575
  21. 12
  22. 2
  23. 1
  24. 240
  25. 250
  26. 3
  27. 515
  28. 5
  29. 1
  30. 600
  31. 10
  32. 9
  33. 1760
  34. 1
  35. 1070
  36. 2775
  37. 12
  38. 635
  39. 4320
  40. 1

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