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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 207 · 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.Gurpreet has ₹1200. In a piggy bank it stays ₹1200. In a bank at 4% simple interest per year, how many rupees more will Gurpreet have after 4 years?
  2. 2.Priya has ₹1800. In a piggy bank it stays ₹1800. In a bank at 2% simple interest per year, how many rupees more will Priya have after 4 years?
  3. 3.₹1500 earns 3% simple interest per year. In how many years will the interest be ₹135?
  4. 4.Tara keeps ₹1500 in a bank. After 2 years the simple interest is ₹90. What is the rate of interest per year (in %)?
  5. 5.Diya keeps ₹300 in a bank. After 1 year the simple interest is ₹12. What is the rate of interest per year (in %)?
  6. 6.Kabir keeps ₹600 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 5 years?
  7. 7.Rohan keeps ₹1100 in a bank at 9% simple interest per year. How much money will there be after 2 years (in ₹)?
  8. 8.Riya keeps ₹100 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 1 year?
  9. 9.Riya keeps ₹1600 in a bank at 8% simple interest per year. How much money will there be after 2 years (in ₹)?
  10. 10.Priya keeps ₹1700 in a bank. After 1 year the simple interest is ₹136. What is the rate of interest per year (in %)?
  11. 11.₹500 earns 10% simple interest per year. In how many years will the interest be ₹250?
  12. 12.Lakshmi keeps ₹2000 in a bank. After 3 years the simple interest is ₹240. What is the rate of interest per year (in %)?
  13. 13.Rohan keeps ₹1300 in a bank at 10% simple interest per year. How much money will there be after 4 years (in ₹)?
  14. 14.Joseph keeps ₹300 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 4 years?
  15. 15.₹1600 earns 4% simple interest per year. In how many years will the interest be ₹192?
  16. 16.Rahul keeps ₹400 in a bank at 5% simple interest per year. How much money will there be after 5 years (in ₹)?
  17. 17.Gurpreet keeps ₹900 in a bank. After 2 years the simple interest is ₹162. What is the rate of interest per year (in %)?
  18. 18.₹800 earns 2% simple interest per year. In how many years will the interest be ₹80?
  19. 19.Arjun has ₹400. In a piggy bank it stays ₹400. In a bank at 3% simple interest per year, how many rupees more will Arjun have after 5 years?
  20. 20.Lakshmi keeps ₹1300 in a bank. After 2 years the simple interest is ₹156. What is the rate of interest per year (in %)?
  21. 21.Rohan keeps ₹100 in a bank. After 2 years the simple interest is ₹14. What is the rate of interest per year (in %)?
  22. 22.Arjun keeps ₹1100 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 2 years?
  23. 23.Rohan keeps ₹300 in a bank. After 1 year the simple interest is ₹6. What is the rate of interest per year (in %)?
  24. 24.Aditya keeps ₹200 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 2 years?
  25. 25.Farhan keeps ₹600 in a bank. After 4 years the simple interest is ₹72. What is the rate of interest per year (in %)?
  26. 26.Ishaan keeps ₹700 in a bank. After 1 year the simple interest is ₹21. What is the rate of interest per year (in %)?
  27. 27.Diya keeps ₹200 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 2 years?
  28. 28.Zoya keeps ₹1000 in a bank. After 1 year the simple interest is ₹70. What is the rate of interest per year (in %)?
  29. 29.₹900 earns 3% simple interest per year. In how many years will the interest be ₹81?
  30. 30.₹500 earns 10% simple interest per year. In how many years will the interest be ₹100?
  31. 31.₹500 earns 4% simple interest per year. In how many years will the interest be ₹60?
  32. 32.Vivaan keeps ₹1100 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 4 years?
  33. 33.Nisha keeps ₹100 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 1 year?
  34. 34.Rohan has ₹1900. In a piggy bank it stays ₹1900. In a bank at 10% simple interest per year, how many rupees more will Rohan have after 3 years?
  35. 35.Aarav keeps ₹100 in a bank. After 1 year the simple interest is ₹7. What is the rate of interest per year (in %)?
  36. 36.₹1200 earns 8% simple interest per year. In how many years will the interest be ₹480?
  37. 37.Priya keeps ₹1100 in a bank. After 1 year the simple interest is ₹22. What is the rate of interest per year (in %)?
  38. 38.₹700 earns 10% simple interest per year. In how many years will the interest be ₹140?
  39. 39.Priya keeps ₹700 in a bank at 2% simple interest per year. How much money will there be after 4 years (in ₹)?
  40. 40.Ananya keeps ₹1500 in a bank at 4% simple interest per year. How much money will there be after 3 years (in ₹)?

Answer key

  1. 192
  2. 144
  3. 3
  4. 3
  5. 4
  6. 210
  7. 1298
  8. 10
  9. 1856
  10. 8
  11. 5
  12. 4
  13. 1820
  14. 108
  15. 3
  16. 500
  17. 9
  18. 5
  19. 60
  20. 6
  21. 7
  22. 176
  23. 2
  24. 28
  25. 3
  26. 3
  27. 16
  28. 7
  29. 3
  30. 2
  31. 3
  32. 396
  33. 10
  34. 570
  35. 7
  36. 5
  37. 2
  38. 2
  39. 756
  40. 1680

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