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Simple Interest Rate Worksheet

Percentage lesson 19: Simple interest and the rate · Set 420 · 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 ₹80 simple interest in 4 years. What is the rate of interest per year, in percent?
  2. 2.₹2500 earns ₹825 simple interest in 3 years. What is the rate of interest per year, in percent?
  3. 3.Sara keeps ₹2000 in a bank at 3% simple interest a year. How many rupees of interest does Sara get in 2 years?
  4. 4.Aarav keeps ₹4000 in a bank at 2% simple interest a year. How many rupees of interest does Aarav get in 1 year?
  5. 5.Kabir keeps ₹1000 in a bank at 3% simple interest a year. What is the total amount after 2 years, in rupees?
  6. 6.₹5000 earns ₹1500 simple interest at 10% a year. For how many years was it kept?
  7. 7.₹1500 earns ₹210 simple interest at 7% a year. For how many years was it kept?
  8. 8.₹4000 earns ₹640 simple interest in 2 years. What is the rate of interest per year, in percent?
  9. 9.₹1000 earns ₹120 simple interest at 6% a year. For how many years was it kept?
  10. 10.Riya keeps ₹3000 in a bank at 7% simple interest a year. How many rupees of interest does Riya get in 3 years?
  11. 11.₹4000 earns ₹800 simple interest at 5% a year. For how many years was it kept?
  12. 12.Rohan keeps ₹500 in a bank at 5% simple interest a year. What is the total amount after 2 years, in rupees?
  13. 13.₹500 earns ₹60 simple interest at 3% a year. For how many years was it kept?
  14. 14.Sara keeps ₹500 in a bank at 9% simple interest a year. What is the total amount after 2 years, in rupees?
  15. 15.Isha keeps ₹2500 in a bank at 3% simple interest a year. How many rupees of interest does Isha get in 3 years?
  16. 16.Aarav keeps ₹3000 in a bank at 12% simple interest a year. What is the total amount after 1 year, in rupees?
  17. 17.₹5000 earns ₹200 simple interest at 4% a year. For how many years was it kept?
  18. 18.Rohan keeps ₹1000 in a bank at 11% simple interest a year. What is the total amount after 1 year, in rupees?
  19. 19.₹2000 earns ₹360 simple interest in 3 years. What is the rate of interest per year, in percent?
  20. 20.Ishaan keeps ₹1500 in a bank at 5% simple interest a year. How many rupees of interest does Ishaan get in 3 years?
  21. 21.Riya keeps ₹500 in a bank at 5% simple interest a year. What is the total amount after 1 year, in rupees?
  22. 22.Dev keeps ₹5000 in a bank at 2% simple interest a year. What is the total amount after 1 year, in rupees?
  23. 23.Meera keeps ₹5000 in a bank at 6% simple interest a year. How many rupees of interest does Meera get in 1 year?
  24. 24.Riya keeps ₹1000 in a bank at 10% simple interest a year. How many rupees of interest does Riya get in 1 year?
  25. 25.₹500 earns ₹40 simple interest in 1 year. What is the rate of interest per year, in percent?
  26. 26.Aarav keeps ₹4000 in a bank at 2% simple interest a year. What is the total amount after 3 years, in rupees?
  27. 27.₹1000 earns ₹80 simple interest at 8% a year. For how many years was it kept?
  28. 28.₹2000 earns ₹400 simple interest at 4% a year. For how many years was it kept?
  29. 29.₹500 earns ₹55 simple interest in 1 year. What is the rate of interest per year, in percent?
  30. 30.Riya keeps ₹3000 in a bank at 7% simple interest a year. What is the total amount after 2 years, in rupees?
  31. 31.₹5000 earns ₹1200 simple interest at 6% a year. For how many years was it kept?
  32. 32.Ishaan keeps ₹2500 in a bank at 8% simple interest a year. How many rupees of interest does Ishaan get in 5 years?
  33. 33.₹5000 earns ₹400 simple interest at 8% a year. For how many years was it kept?
  34. 34.₹4000 earns ₹280 simple interest at 7% a year. For how many years was it kept?
  35. 35.Riya keeps ₹1500 in a bank at 7% simple interest a year. What is the total amount after 1 year, in rupees?
  36. 36.Arjun keeps ₹1500 in a bank at 3% simple interest a year. How many rupees of interest does Arjun get in 3 years?
  37. 37.₹2000 earns ₹600 simple interest in 3 years. What is the rate of interest per year, in percent?
  38. 38.₹2000 earns ₹880 simple interest in 4 years. What is the rate of interest per year, in percent?
  39. 39.Diya keeps ₹2000 in a bank at 5% simple interest a year. How many rupees of interest does Diya get in 3 years?
  40. 40.₹5000 earns ₹450 simple interest in 1 year. What is the rate of interest per year, in percent?

Answer key

  1. 4
  2. 11
  3. 120
  4. 80
  5. 1060
  6. 3
  7. 2
  8. 8
  9. 2
  10. 630
  11. 4
  12. 550
  13. 4
  14. 590
  15. 225
  16. 3360
  17. 1
  18. 1110
  19. 6
  20. 225
  21. 525
  22. 5100
  23. 300
  24. 100
  25. 8
  26. 4240
  27. 1
  28. 5
  29. 11
  30. 3420
  31. 4
  32. 1000
  33. 1
  34. 1
  35. 1605
  36. 135
  37. 10
  38. 11
  39. 300
  40. 9

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