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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 59 · 40 sums
TalentJR

The method (P × R × T ÷ 100): Interest I = P × R × T ÷ 100. Amount after T years = P + I. Turn it round: R = I × 100 ÷ (P × T) and T = I × 100 ÷ (P × R).

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  1. 1.Vivaan has ₹1400. In a piggy bank it stays ₹1400. In a bank at 5% simple interest per year, how many rupees more will Vivaan have after 2 years?
  2. 2.Kavya has ₹400. In a piggy bank it stays ₹400. In a bank at 5% simple interest per year, how many rupees more will Kavya have after 4 years?
  3. 3.Rohan has ₹1600. In a piggy bank it stays ₹1600. In a bank at 9% simple interest per year, how many rupees more will Rohan have after 5 years?
  4. 4.₹1200 earns 6% simple interest per year. In how many years will the interest be ₹360?
  5. 5.Arjun keeps ₹900 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 2 years?
  6. 6.Kabir keeps ₹1600 in a bank. After 4 years the simple interest is ₹320. What is the rate of interest per year (in %)?
  7. 7.Tara keeps ₹1900 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 1 year?
  8. 8.₹300 earns 7% simple interest per year. In how many years will the interest be ₹63?
  9. 9.Arjun has ₹500. In a piggy bank it stays ₹500. In a bank at 7% simple interest per year, how many rupees more will Arjun have after 3 years?
  10. 10.Aditya keeps ₹700 in a bank at 7% simple interest per year. How much money will there be after 4 years (in ₹)?
  11. 11.Saanvi keeps ₹500 in a bank at 6% simple interest per year. How much money will there be after 1 year (in ₹)?
  12. 12.Meera keeps ₹1700 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 1 year?
  13. 13.Kavya keeps ₹1200 in a bank at 5% simple interest per year. How much money will there be after 4 years (in ₹)?
  14. 14.₹2000 earns 9% simple interest per year. In how many years will the interest be ₹720?
  15. 15.Farhan has ₹200. In a piggy bank it stays ₹200. In a bank at 6% simple interest per year, how many rupees more will Farhan have after 5 years?
  16. 16.Joseph has ₹400. In a piggy bank it stays ₹400. In a bank at 5% simple interest per year, how many rupees more will Joseph have after 3 years?
  17. 17.₹400 earns 4% simple interest per year. In how many years will the interest be ₹16?
  18. 18.Rohan keeps ₹300 in a bank. After 2 years the simple interest is ₹60. What is the rate of interest per year (in %)?
  19. 19.₹2000 earns 10% simple interest per year. In how many years will the interest be ₹600?
  20. 20.Farhan has ₹1200. In a piggy bank it stays ₹1200. In a bank at 5% simple interest per year, how many rupees more will Farhan have after 3 years?
  21. 21.₹400 earns 2% simple interest per year. In how many years will the interest be ₹32?
  22. 22.Kabir has ₹700. In a piggy bank it stays ₹700. In a bank at 2% simple interest per year, how many rupees more will Kabir have after 4 years?
  23. 23.Nisha keeps ₹300 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 5 years?
  24. 24.₹1000 earns 7% simple interest per year. In how many years will the interest be ₹70?
  25. 25.Diya keeps ₹300 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 3 years?
  26. 26.Isha keeps ₹200 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 4 years?
  27. 27.Arjun keeps ₹1200 in a bank at 7% simple interest per year. How much money will there be after 1 year (in ₹)?
  28. 28.Riya keeps ₹900 in a bank. After 3 years the simple interest is ₹108. What is the rate of interest per year (in %)?
  29. 29.Saanvi keeps ₹200 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 1 year?
  30. 30.₹1900 earns 7% simple interest per year. In how many years will the interest be ₹665?
  31. 31.Tara keeps ₹2000 in a bank at 9% simple interest per year. How much money will there be after 3 years (in ₹)?
  32. 32.₹1000 earns 2% simple interest per year. In how many years will the interest be ₹100?
  33. 33.Kabir keeps ₹1400 in a bank. After 1 year the simple interest is ₹28. What is the rate of interest per year (in %)?
  34. 34.Joseph keeps ₹700 in a bank. After 1 year the simple interest is ₹42. What is the rate of interest per year (in %)?
  35. 35.Vivaan keeps ₹200 in a bank at 4% simple interest per year. How much money will there be after 1 year (in ₹)?
  36. 36.Ananya has ₹1500. In a piggy bank it stays ₹1500. In a bank at 2% simple interest per year, how many rupees more will Ananya have after 2 years?
  37. 37.₹800 earns 8% simple interest per year. In how many years will the interest be ₹192?
  38. 38.₹1700 earns 6% simple interest per year. In how many years will the interest be ₹306?
  39. 39.Meera keeps ₹1300 in a bank. After 1 year the simple interest is ₹65. What is the rate of interest per year (in %)?
  40. 40.₹1500 earns 2% simple interest per year. In how many years will the interest be ₹60?

Answer key

  1. 140
  2. 80
  3. 720
  4. 5
  5. 36
  6. 5
  7. 76
  8. 3
  9. 105
  10. 896
  11. 530
  12. 136
  13. 1440
  14. 4
  15. 60
  16. 60
  17. 1
  18. 10
  19. 3
  20. 180
  21. 4
  22. 56
  23. 60
  24. 1
  25. 81
  26. 64
  27. 1284
  28. 4
  29. 8
  30. 5
  31. 2540
  32. 5
  33. 2
  34. 6
  35. 208
  36. 60
  37. 3
  38. 3
  39. 5
  40. 2

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