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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 40 · 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.Tara has ₹300. In a piggy bank it stays ₹300. In a bank at 5% simple interest per year, how many rupees more will Tara have after 4 years?
  2. 2.Joseph keeps ₹2000 in a bank at 2% simple interest per year. How much money will there be after 1 year (in ₹)?
  3. 3.Kabir keeps ₹1900 in a bank at 9% simple interest per year. How much money will there be after 3 years (in ₹)?
  4. 4.Sneha keeps ₹500 in a bank. After 2 years the simple interest is ₹30. What is the rate of interest per year (in %)?
  5. 5.₹1700 earns 3% simple interest per year. In how many years will the interest be ₹153?
  6. 6.Karan keeps ₹200 in a bank. After 1 year the simple interest is ₹14. What is the rate of interest per year (in %)?
  7. 7.Kabir keeps ₹1400 in a bank. After 2 years the simple interest is ₹224. What is the rate of interest per year (in %)?
  8. 8.Rohan keeps ₹600 in a bank. After 2 years the simple interest is ₹36. What is the rate of interest per year (in %)?
  9. 9.₹1000 earns 9% simple interest per year. In how many years will the interest be ₹90?
  10. 10.Kabir has ₹1300. In a piggy bank it stays ₹1300. In a bank at 5% simple interest per year, how many rupees more will Kabir have after 3 years?
  11. 11.Arjun keeps ₹900 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 3 years?
  12. 12.Lakshmi keeps ₹1200 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 2 years?
  13. 13.Tara has ₹1400. In a piggy bank it stays ₹1400. In a bank at 8% simple interest per year, how many rupees more will Tara have after 4 years?
  14. 14.Kabir has ₹500. In a piggy bank it stays ₹500. In a bank at 10% simple interest per year, how many rupees more will Kabir have after 1 year?
  15. 15.Aditya keeps ₹1200 in a bank at 4% simple interest per year. How much money will there be after 3 years (in ₹)?
  16. 16.₹1400 earns 7% simple interest per year. In how many years will the interest be ₹98?
  17. 17.₹100 earns 2% simple interest per year. In how many years will the interest be ₹4?
  18. 18.Isha keeps ₹200 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 1 year?
  19. 19.₹900 earns 2% simple interest per year. In how many years will the interest be ₹36?
  20. 20.₹200 earns 8% simple interest per year. In how many years will the interest be ₹80?
  21. 21.₹1400 earns 10% simple interest per year. In how many years will the interest be ₹420?
  22. 22.Priya has ₹1200. In a piggy bank it stays ₹1200. In a bank at 2% simple interest per year, how many rupees more will Priya have after 3 years?
  23. 23.Rahul keeps ₹600 in a bank at 6% simple interest per year. How much money will there be after 1 year (in ₹)?
  24. 24.Sneha has ₹800. In a piggy bank it stays ₹800. In a bank at 5% simple interest per year, how many rupees more will Sneha have after 2 years?
  25. 25.Rahul has ₹1000. In a piggy bank it stays ₹1000. In a bank at 5% simple interest per year, how many rupees more will Rahul have after 3 years?
  26. 26.Gurpreet keeps ₹900 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 1 year?
  27. 27.Nisha keeps ₹800 in a bank. After 2 years the simple interest is ₹48. What is the rate of interest per year (in %)?
  28. 28.Meera has ₹400. In a piggy bank it stays ₹400. In a bank at 3% simple interest per year, how many rupees more will Meera have after 5 years?
  29. 29.Aarav has ₹1700. In a piggy bank it stays ₹1700. In a bank at 4% simple interest per year, how many rupees more will Aarav have after 4 years?
  30. 30.Meera keeps ₹1400 in a bank. After 4 years the simple interest is ₹168. What is the rate of interest per year (in %)?
  31. 31.Isha keeps ₹1100 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 4 years?
  32. 32.Lakshmi keeps ₹1000 in a bank. After 5 years the simple interest is ₹150. What is the rate of interest per year (in %)?
  33. 33.Gurpreet keeps ₹1500 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 3 years?
  34. 34.Ishaan keeps ₹500 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 5 years?
  35. 35.Isha keeps ₹1900 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 3 years?
  36. 36.₹1500 earns 4% simple interest per year. In how many years will the interest be ₹300?
  37. 37.₹700 earns 3% simple interest per year. In how many years will the interest be ₹63?
  38. 38.₹1800 earns 4% simple interest per year. In how many years will the interest be ₹288?
  39. 39.Arjun has ₹200. In a piggy bank it stays ₹200. In a bank at 2% simple interest per year, how many rupees more will Arjun have after 4 years?
  40. 40.Dev keeps ₹1100 in a bank at 5% simple interest per year. How much money will there be after 4 years (in ₹)?

Answer key

  1. 60
  2. 2040
  3. 2413
  4. 3
  5. 3
  6. 7
  7. 8
  8. 3
  9. 1
  10. 195
  11. 81
  12. 240
  13. 448
  14. 50
  15. 1344
  16. 1
  17. 2
  18. 8
  19. 2
  20. 5
  21. 3
  22. 72
  23. 636
  24. 80
  25. 150
  26. 27
  27. 3
  28. 60
  29. 272
  30. 3
  31. 176
  32. 3
  33. 90
  34. 225
  35. 513
  36. 5
  37. 3
  38. 4
  39. 16
  40. 1320

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