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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 113 · 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 6% simple interest per year. In how many years will the interest be ₹288?
  2. 2.Kabir keeps ₹2000 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 3 years?
  3. 3.Riya keeps ₹1100 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 5 years?
  4. 4.Karan has ₹900. In a piggy bank it stays ₹900. In a bank at 5% simple interest per year, how many rupees more will Karan have after 2 years?
  5. 5.₹1200 earns 9% simple interest per year. In how many years will the interest be ₹216?
  6. 6.Kabir keeps ₹800 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 2 years?
  7. 7.₹400 earns 4% simple interest per year. In how many years will the interest be ₹64?
  8. 8.Priya keeps ₹1500 in a bank at 9% simple interest per year. How much money will there be after 3 years (in ₹)?
  9. 9.₹500 earns 10% simple interest per year. In how many years will the interest be ₹100?
  10. 10.Pooja has ₹1800. In a piggy bank it stays ₹1800. In a bank at 4% simple interest per year, how many rupees more will Pooja have after 2 years?
  11. 11.₹1800 earns 6% simple interest per year. In how many years will the interest be ₹108?
  12. 12.₹1900 earns 6% simple interest per year. In how many years will the interest be ₹342?
  13. 13.Gurpreet has ₹800. In a piggy bank it stays ₹800. In a bank at 6% simple interest per year, how many rupees more will Gurpreet have after 1 year?
  14. 14.₹2000 earns 7% simple interest per year. In how many years will the interest be ₹560?
  15. 15.Karan keeps ₹700 in a bank at 9% simple interest per year. How much money will there be after 2 years (in ₹)?
  16. 16.₹1000 earns 8% simple interest per year. In how many years will the interest be ₹80?
  17. 17.Saanvi has ₹1800. In a piggy bank it stays ₹1800. In a bank at 3% simple interest per year, how many rupees more will Saanvi have after 5 years?
  18. 18.Kavya keeps ₹1700 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 1 year?
  19. 19.Rahul keeps ₹1700 in a bank at 9% simple interest per year. How much money will there be after 2 years (in ₹)?
  20. 20.Ananya keeps ₹300 in a bank at 9% simple interest per year. How much money will there be after 4 years (in ₹)?
  21. 21.₹300 earns 7% simple interest per year. In how many years will the interest be ₹21?
  22. 22.₹1900 earns 5% simple interest per year. In how many years will the interest be ₹380?
  23. 23.Dev keeps ₹1900 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 1 year?
  24. 24.Rahul keeps ₹1000 in a bank at 6% simple interest per year. How much money will there be after 5 years (in ₹)?
  25. 25.Isha keeps ₹500 in a bank at 3% simple interest per year. How much money will there be after 2 years (in ₹)?
  26. 26.Diya keeps ₹400 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 1 year?
  27. 27.Isha keeps ₹1900 in a bank at 7% simple interest per year. How much money will there be after 5 years (in ₹)?
  28. 28.Rohan keeps ₹400 in a bank at 6% simple interest per year. How much money will there be after 2 years (in ₹)?
  29. 29.Kavya has ₹800. In a piggy bank it stays ₹800. In a bank at 4% simple interest per year, how many rupees more will Kavya have after 4 years?
  30. 30.Riya has ₹1000. In a piggy bank it stays ₹1000. In a bank at 5% simple interest per year, how many rupees more will Riya have after 3 years?
  31. 31.Isha keeps ₹100 in a bank at 2% simple interest per year. How much money will there be after 4 years (in ₹)?
  32. 32.Ishaan keeps ₹200 in a bank. After 3 years the simple interest is ₹54. What is the rate of interest per year (in %)?
  33. 33.Tara has ₹1700. In a piggy bank it stays ₹1700. In a bank at 9% simple interest per year, how many rupees more will Tara have after 5 years?
  34. 34.Isha keeps ₹600 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 2 years?
  35. 35.Aditya keeps ₹500 in a bank. After 1 year the simple interest is ₹15. What is the rate of interest per year (in %)?
  36. 36.Pooja keeps ₹700 in a bank. After 5 years the simple interest is ₹140. What is the rate of interest per year (in %)?
  37. 37.Aditya keeps ₹1000 in a bank. After 5 years the simple interest is ₹400. What is the rate of interest per year (in %)?
  38. 38.Isha keeps ₹200 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 1 year?
  39. 39.Isha has ₹500. In a piggy bank it stays ₹500. In a bank at 7% simple interest per year, how many rupees more will Isha have after 2 years?
  40. 40.₹1400 earns 6% simple interest per year. In how many years will the interest be ₹252?

Answer key

  1. 4
  2. 240
  3. 110
  4. 90
  5. 2
  6. 48
  7. 4
  8. 1905
  9. 2
  10. 144
  11. 1
  12. 3
  13. 48
  14. 4
  15. 826
  16. 1
  17. 270
  18. 51
  19. 2006
  20. 408
  21. 1
  22. 4
  23. 152
  24. 1300
  25. 530
  26. 20
  27. 2565
  28. 448
  29. 128
  30. 150
  31. 108
  32. 9
  33. 765
  34. 72
  35. 3
  36. 4
  37. 8
  38. 6
  39. 70
  40. 3

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