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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 267 · 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.₹1200 earns 5% simple interest per year. In how many years will the interest be ₹60?
  2. 2.₹1000 earns 2% simple interest per year. In how many years will the interest be ₹100?
  3. 3.Saanvi keeps ₹2000 in a bank. After 5 years the simple interest is ₹700. What is the rate of interest per year (in %)?
  4. 4.₹700 earns 2% simple interest per year. In how many years will the interest be ₹14?
  5. 5.Rahul keeps ₹400 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 1 year?
  6. 6.Saanvi keeps ₹1700 in a bank at 8% simple interest per year. How much money will there be after 1 year (in ₹)?
  7. 7.Aditya keeps ₹500 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 5 years?
  8. 8.₹2000 earns 9% simple interest per year. In how many years will the interest be ₹720?
  9. 9.₹1200 earns 8% simple interest per year. In how many years will the interest be ₹288?
  10. 10.Lakshmi has ₹400. In a piggy bank it stays ₹400. In a bank at 2% simple interest per year, how many rupees more will Lakshmi have after 1 year?
  11. 11.Vivaan keeps ₹500 in a bank at 10% simple interest per year. How much money will there be after 3 years (in ₹)?
  12. 12.Ishaan has ₹600. In a piggy bank it stays ₹600. In a bank at 4% simple interest per year, how many rupees more will Ishaan have after 1 year?
  13. 13.Joseph keeps ₹300 in a bank. After 3 years the simple interest is ₹18. What is the rate of interest per year (in %)?
  14. 14.Kabir keeps ₹400 in a bank at 6% simple interest per year. How much money will there be after 3 years (in ₹)?
  15. 15.Zoya keeps ₹400 in a bank at 6% simple interest per year. How much money will there be after 1 year (in ₹)?
  16. 16.Kabir keeps ₹1000 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 5 years?
  17. 17.Farhan keeps ₹700 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 4 years?
  18. 18.Tara keeps ₹600 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 1 year?
  19. 19.Joseph keeps ₹600 in a bank. After 3 years the simple interest is ₹180. What is the rate of interest per year (in %)?
  20. 20.₹400 earns 6% simple interest per year. In how many years will the interest be ₹24?
  21. 21.Zoya keeps ₹300 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 4 years?
  22. 22.Aditya keeps ₹700 in a bank. After 4 years the simple interest is ₹280. What is the rate of interest per year (in %)?
  23. 23.Diya keeps ₹600 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 1 year?
  24. 24.Joseph keeps ₹800 in a bank. After 2 years the simple interest is ₹96. What is the rate of interest per year (in %)?
  25. 25.Farhan keeps ₹100 in a bank. After 3 years the simple interest is ₹21. What is the rate of interest per year (in %)?
  26. 26.Karan keeps ₹600 in a bank at 5% simple interest per year. How much money will there be after 5 years (in ₹)?
  27. 27.Saanvi keeps ₹400 in a bank at 9% simple interest per year. How much money will there be after 3 years (in ₹)?
  28. 28.Nisha has ₹1900. In a piggy bank it stays ₹1900. In a bank at 10% simple interest per year, how many rupees more will Nisha have after 3 years?
  29. 29.Tara has ₹1600. In a piggy bank it stays ₹1600. In a bank at 10% simple interest per year, how many rupees more will Tara have after 2 years?
  30. 30.Manav keeps ₹1500 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 1 year?
  31. 31.Diya keeps ₹1500 in a bank. After 2 years the simple interest is ₹90. What is the rate of interest per year (in %)?
  32. 32.Tara keeps ₹2000 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 2 years?
  33. 33.Nisha keeps ₹400 in a bank at 4% simple interest per year. How much money will there be after 2 years (in ₹)?
  34. 34.Farhan keeps ₹700 in a bank. After 5 years the simple interest is ₹210. What is the rate of interest per year (in %)?
  35. 35.Joseph keeps ₹900 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 4 years?
  36. 36.Aarav keeps ₹700 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 3 years?
  37. 37.₹600 earns 4% simple interest per year. In how many years will the interest be ₹48?
  38. 38.Tara keeps ₹1000 in a bank. After 5 years the simple interest is ₹200. What is the rate of interest per year (in %)?
  39. 39.₹600 earns 3% simple interest per year. In how many years will the interest be ₹36?
  40. 40.Ishaan keeps ₹1100 in a bank at 10% simple interest per year. How much money will there be after 3 years (in ₹)?

Answer key

  1. 1
  2. 5
  3. 7
  4. 1
  5. 8
  6. 1836
  7. 100
  8. 4
  9. 3
  10. 8
  11. 650
  12. 24
  13. 2
  14. 472
  15. 424
  16. 100
  17. 252
  18. 36
  19. 10
  20. 1
  21. 120
  22. 10
  23. 48
  24. 6
  25. 7
  26. 750
  27. 508
  28. 570
  29. 320
  30. 60
  31. 3
  32. 120
  33. 432
  34. 6
  35. 216
  36. 42
  37. 2
  38. 4
  39. 2
  40. 1430

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