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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 35 · 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).

NameDateTime takenScore ___ / 40
  1. 1.Ishaan keeps ₹1600 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 3 years?
  2. 2.Priya keeps ₹100 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 1 year?
  3. 3.₹1200 earns 2% simple interest per year. In how many years will the interest be ₹24?
  4. 4.₹1500 earns 4% simple interest per year. In how many years will the interest be ₹180?
  5. 5.Kabir keeps ₹600 in a bank. After 3 years the simple interest is ₹54. What is the rate of interest per year (in %)?
  6. 6.Dev keeps ₹1900 in a bank. After 1 year the simple interest is ₹114. What is the rate of interest per year (in %)?
  7. 7.Joseph has ₹200. In a piggy bank it stays ₹200. In a bank at 5% simple interest per year, how many rupees more will Joseph have after 5 years?
  8. 8.₹300 earns 7% simple interest per year. In how many years will the interest be ₹21?
  9. 9.₹700 earns 9% simple interest per year. In how many years will the interest be ₹189?
  10. 10.₹1800 earns 2% simple interest per year. In how many years will the interest be ₹180?
  11. 11.₹600 earns 8% simple interest per year. In how many years will the interest be ₹192?
  12. 12.Aarav keeps ₹1600 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 5 years?
  13. 13.Riya keeps ₹200 in a bank at 9% simple interest per year. How much money will there be after 2 years (in ₹)?
  14. 14.₹1700 earns 9% simple interest per year. In how many years will the interest be ₹153?
  15. 15.Joseph keeps ₹1900 in a bank. After 4 years the simple interest is ₹532. What is the rate of interest per year (in %)?
  16. 16.Rohan keeps ₹500 in a bank. After 3 years the simple interest is ₹150. What is the rate of interest per year (in %)?
  17. 17.Priya keeps ₹200 in a bank at 3% simple interest per year. How much money will there be after 4 years (in ₹)?
  18. 18.₹300 earns 5% simple interest per year. In how many years will the interest be ₹75?
  19. 19.Joseph has ₹100. In a piggy bank it stays ₹100. In a bank at 8% simple interest per year, how many rupees more will Joseph have after 4 years?
  20. 20.Vivaan has ₹600. In a piggy bank it stays ₹600. In a bank at 2% simple interest per year, how many rupees more will Vivaan have after 5 years?
  21. 21.Aarav keeps ₹700 in a bank at 2% simple interest per year. How much money will there be after 5 years (in ₹)?
  22. 22.Rohan keeps ₹1300 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 2 years?
  23. 23.Saanvi keeps ₹900 in a bank. After 2 years the simple interest is ₹180. What is the rate of interest per year (in %)?
  24. 24.Kavya has ₹1700. In a piggy bank it stays ₹1700. In a bank at 8% simple interest per year, how many rupees more will Kavya have after 2 years?
  25. 25.Aarav keeps ₹100 in a bank at 4% simple interest per year. How much money will there be after 1 year (in ₹)?
  26. 26.Nisha keeps ₹700 in a bank at 5% simple interest per year. How much money will there be after 4 years (in ₹)?
  27. 27.Riya keeps ₹700 in a bank. After 3 years the simple interest is ₹42. What is the rate of interest per year (in %)?
  28. 28.₹1300 earns 8% simple interest per year. In how many years will the interest be ₹416?
  29. 29.Arjun keeps ₹800 in a bank. After 5 years the simple interest is ₹200. What is the rate of interest per year (in %)?
  30. 30.Aarav keeps ₹1100 in a bank at 7% simple interest per year. How much money will there be after 2 years (in ₹)?
  31. 31.Kabir keeps ₹500 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 4 years?
  32. 32.Joseph has ₹2000. In a piggy bank it stays ₹2000. In a bank at 6% simple interest per year, how many rupees more will Joseph have after 1 year?
  33. 33.Isha has ₹1900. In a piggy bank it stays ₹1900. In a bank at 6% simple interest per year, how many rupees more will Isha have after 2 years?
  34. 34.Rahul keeps ₹100 in a bank at 4% simple interest per year. How much money will there be after 3 years (in ₹)?
  35. 35.Joseph keeps ₹2000 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 1 year?
  36. 36.Priya keeps ₹200 in a bank. After 2 years the simple interest is ₹28. What is the rate of interest per year (in %)?
  37. 37.Lakshmi keeps ₹600 in a bank. After 3 years the simple interest is ₹144. What is the rate of interest per year (in %)?
  38. 38.Diya has ₹1900. In a piggy bank it stays ₹1900. In a bank at 3% simple interest per year, how many rupees more will Diya have after 5 years?
  39. 39.Kavya keeps ₹200 in a bank at 4% simple interest per year. How much money will there be after 1 year (in ₹)?
  40. 40.Ishaan keeps ₹400 in a bank. After 2 years the simple interest is ₹40. What is the rate of interest per year (in %)?

Answer key

  1. 144
  2. 2
  3. 1
  4. 3
  5. 3
  6. 6
  7. 50
  8. 1
  9. 3
  10. 5
  11. 4
  12. 720
  13. 236
  14. 1
  15. 7
  16. 10
  17. 224
  18. 5
  19. 32
  20. 60
  21. 770
  22. 260
  23. 10
  24. 272
  25. 104
  26. 840
  27. 2
  28. 4
  29. 5
  30. 1254
  31. 200
  32. 120
  33. 228
  34. 112
  35. 120
  36. 7
  37. 8
  38. 285
  39. 208
  40. 5

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