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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 151 · 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 ₹600. In a piggy bank it stays ₹600. In a bank at 2% simple interest per year, how many rupees more will Tara have after 5 years?
  2. 2.Aditya has ₹300. In a piggy bank it stays ₹300. In a bank at 8% simple interest per year, how many rupees more will Aditya have after 3 years?
  3. 3.Gurpreet keeps ₹900 in a bank. After 2 years the simple interest is ₹180. What is the rate of interest per year (in %)?
  4. 4.Isha keeps ₹100 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 4 years?
  5. 5.Nisha keeps ₹1800 in a bank at 4% simple interest per year. How much money will there be after 3 years (in ₹)?
  6. 6.Aarav keeps ₹1800 in a bank at 5% simple interest per year. How much money will there be after 4 years (in ₹)?
  7. 7.Kabir keeps ₹1200 in a bank. After 4 years the simple interest is ₹144. What is the rate of interest per year (in %)?
  8. 8.Vivaan has ₹1800. In a piggy bank it stays ₹1800. In a bank at 3% simple interest per year, how many rupees more will Vivaan have after 5 years?
  9. 9.₹600 earns 10% simple interest per year. In how many years will the interest be ₹120?
  10. 10.₹300 earns 9% simple interest per year. In how many years will the interest be ₹81?
  11. 11.Diya keeps ₹500 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 1 year?
  12. 12.Saanvi keeps ₹600 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 3 years?
  13. 13.₹1900 earns 10% simple interest per year. In how many years will the interest be ₹950?
  14. 14.Kabir keeps ₹100 in a bank. After 1 year the simple interest is ₹7. What is the rate of interest per year (in %)?
  15. 15.Isha keeps ₹200 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 1 year?
  16. 16.Priya keeps ₹600 in a bank. After 5 years the simple interest is ₹270. What is the rate of interest per year (in %)?
  17. 17.Arjun keeps ₹1100 in a bank. After 2 years the simple interest is ₹88. What is the rate of interest per year (in %)?
  18. 18.₹1700 earns 4% simple interest per year. In how many years will the interest be ₹204?
  19. 19.₹1900 earns 5% simple interest per year. In how many years will the interest be ₹475?
  20. 20.Zoya keeps ₹900 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 5 years?
  21. 21.Kabir keeps ₹400 in a bank. After 3 years the simple interest is ₹96. What is the rate of interest per year (in %)?
  22. 22.Joseph has ₹500. In a piggy bank it stays ₹500. In a bank at 4% simple interest per year, how many rupees more will Joseph have after 4 years?
  23. 23.Aditya keeps ₹900 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 1 year?
  24. 24.Priya keeps ₹900 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 4 years?
  25. 25.₹400 earns 7% simple interest per year. In how many years will the interest be ₹28?
  26. 26.₹200 earns 9% simple interest per year. In how many years will the interest be ₹36?
  27. 27.Zoya has ₹500. In a piggy bank it stays ₹500. In a bank at 3% simple interest per year, how many rupees more will Zoya have after 4 years?
  28. 28.Priya has ₹600. In a piggy bank it stays ₹600. In a bank at 5% simple interest per year, how many rupees more will Priya have after 1 year?
  29. 29.Nisha keeps ₹500 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 2 years?
  30. 30.Aditya has ₹400. In a piggy bank it stays ₹400. In a bank at 3% simple interest per year, how many rupees more will Aditya have after 3 years?
  31. 31.Ishaan keeps ₹1100 in a bank at 2% simple interest per year. How much money will there be after 4 years (in ₹)?
  32. 32.Isha keeps ₹1300 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 1 year?
  33. 33.Riya keeps ₹1100 in a bank at 10% simple interest per year. How much money will there be after 1 year (in ₹)?
  34. 34.Arjun keeps ₹1800 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 5 years?
  35. 35.Riya keeps ₹500 in a bank at 2% simple interest per year. How much money will there be after 2 years (in ₹)?
  36. 36.Kavya has ₹400. In a piggy bank it stays ₹400. In a bank at 8% simple interest per year, how many rupees more will Kavya have after 4 years?
  37. 37.Saanvi keeps ₹1000 in a bank. After 3 years the simple interest is ₹270. What is the rate of interest per year (in %)?
  38. 38.Diya has ₹700. In a piggy bank it stays ₹700. In a bank at 5% simple interest per year, how many rupees more will Diya have after 5 years?
  39. 39.₹1800 earns 9% simple interest per year. In how many years will the interest be ₹810?
  40. 40.₹200 earns 10% simple interest per year. In how many years will the interest be ₹40?

Answer key

  1. 60
  2. 72
  3. 10
  4. 8
  5. 2016
  6. 2160
  7. 3
  8. 270
  9. 2
  10. 3
  11. 40
  12. 90
  13. 5
  14. 7
  15. 6
  16. 9
  17. 4
  18. 3
  19. 5
  20. 450
  21. 8
  22. 80
  23. 18
  24. 72
  25. 1
  26. 2
  27. 60
  28. 30
  29. 50
  30. 36
  31. 1188
  32. 78
  33. 1210
  34. 270
  35. 520
  36. 128
  37. 9
  38. 175
  39. 5
  40. 2

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