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Simple Interest Rate Worksheet

Percentage lesson 19: Simple interest and the rate · Set 971 · 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.₹500 earns ₹25 simple interest at 5% a year. For how many years was it kept?
  2. 2.₹3000 earns ₹660 simple interest in 2 years. What is the rate of interest per year, in percent?
  3. 3.Riya keeps ₹1500 in a bank at 9% simple interest a year. How many rupees of interest does Riya get in 3 years?
  4. 4.₹2500 earns ₹900 simple interest in 4 years. What is the rate of interest per year, in percent?
  5. 5.₹500 earns ₹75 simple interest at 5% a year. For how many years was it kept?
  6. 6.₹4000 earns ₹120 simple interest in 1 year. What is the rate of interest per year, in percent?
  7. 7.₹3000 earns ₹150 simple interest at 5% a year. For how many years was it kept?
  8. 8.Dev keeps ₹1000 in a bank at 11% simple interest a year. What is the total amount after 2 years, in rupees?
  9. 9.Rohan keeps ₹500 in a bank at 12% simple interest a year. How many rupees of interest does Rohan get in 1 year?
  10. 10.Aarav keeps ₹2500 in a bank at 5% simple interest a year. What is the total amount after 3 years, in rupees?
  11. 11.Anaya keeps ₹1500 in a bank at 11% simple interest a year. How many rupees of interest does Anaya get in 4 years?
  12. 12.₹1000 earns ₹350 simple interest in 5 years. What is the rate of interest per year, in percent?
  13. 13.Diya keeps ₹2500 in a bank at 5% simple interest a year. How many rupees of interest does Diya get in 5 years?
  14. 14.₹3000 earns ₹240 simple interest at 8% a year. For how many years was it kept?
  15. 15.Aarav keeps ₹2500 in a bank at 3% simple interest a year. How many rupees of interest does Aarav get in 4 years?
  16. 16.₹1000 earns ₹120 simple interest in 1 year. What is the rate of interest per year, in percent?
  17. 17.₹500 earns ₹75 simple interest in 3 years. What is the rate of interest per year, in percent?
  18. 18.₹1500 earns ₹180 simple interest in 3 years. What is the rate of interest per year, in percent?
  19. 19.₹1500 earns ₹105 simple interest at 7% a year. For how many years was it kept?
  20. 20.₹1000 earns ₹80 simple interest in 4 years. What is the rate of interest per year, in percent?
  21. 21.Isha keeps ₹5000 in a bank at 5% simple interest a year. What is the total amount after 4 years, in rupees?
  22. 22.Anaya keeps ₹4000 in a bank at 4% simple interest a year. How many rupees of interest does Anaya get in 1 year?
  23. 23.Rohan keeps ₹500 in a bank at 4% simple interest a year. How many rupees of interest does Rohan get in 5 years?
  24. 24.₹2500 earns ₹400 simple interest in 4 years. What is the rate of interest per year, in percent?
  25. 25.Rohan keeps ₹3000 in a bank at 10% simple interest a year. What is the total amount after 2 years, in rupees?
  26. 26.Diya keeps ₹2000 in a bank at 10% simple interest a year. How many rupees of interest does Diya get in 2 years?
  27. 27.Dev keeps ₹500 in a bank at 2% simple interest a year. How many rupees of interest does Dev get in 3 years?
  28. 28.Anaya keeps ₹2000 in a bank at 5% simple interest a year. How many rupees of interest does Anaya get in 2 years?
  29. 29.Arjun keeps ₹1500 in a bank at 7% simple interest a year. How many rupees of interest does Arjun get in 3 years?
  30. 30.₹2500 earns ₹1000 simple interest in 5 years. What is the rate of interest per year, in percent?
  31. 31.₹4000 earns ₹360 simple interest at 9% a year. For how many years was it kept?
  32. 32.₹2000 earns ₹900 simple interest at 9% a year. For how many years was it kept?
  33. 33.Ishaan keeps ₹2000 in a bank at 2% simple interest a year. How many rupees of interest does Ishaan get in 4 years?
  34. 34.₹4000 earns ₹1400 simple interest in 5 years. What is the rate of interest per year, in percent?
  35. 35.₹1500 earns ₹360 simple interest in 3 years. What is the rate of interest per year, in percent?
  36. 36.₹4000 earns ₹1600 simple interest at 10% a year. For how many years was it kept?
  37. 37.₹1000 earns ₹120 simple interest in 3 years. What is the rate of interest per year, in percent?
  38. 38.₹5000 earns ₹1500 simple interest at 6% a year. For how many years was it kept?
  39. 39.Aarav keeps ₹5000 in a bank at 12% simple interest a year. What is the total amount after 1 year, in rupees?
  40. 40.₹2500 earns ₹225 simple interest in 3 years. What is the rate of interest per year, in percent?

Answer key

  1. 1
  2. 11
  3. 405
  4. 9
  5. 3
  6. 3
  7. 1
  8. 1220
  9. 60
  10. 2875
  11. 660
  12. 7
  13. 625
  14. 1
  15. 300
  16. 12
  17. 5
  18. 4
  19. 1
  20. 2
  21. 6000
  22. 160
  23. 100
  24. 4
  25. 3600
  26. 400
  27. 30
  28. 200
  29. 315
  30. 8
  31. 1
  32. 5
  33. 160
  34. 7
  35. 8
  36. 4
  37. 4
  38. 5
  39. 5600
  40. 3

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