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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 190 · 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).

NameDateTime takenScore ___ / 40
  1. 1.Karan keeps ₹1800 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 1 year?
  2. 2.Farhan keeps ₹100 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 2 years?
  3. 3.Diya has ₹800. In a piggy bank it stays ₹800. In a bank at 3% simple interest per year, how many rupees more will Diya have after 2 years?
  4. 4.₹400 earns 2% simple interest per year. In how many years will the interest be ₹24?
  5. 5.₹1000 earns 9% simple interest per year. In how many years will the interest be ₹360?
  6. 6.Ananya keeps ₹200 in a bank. After 3 years the simple interest is ₹60. What is the rate of interest per year (in %)?
  7. 7.Kabir keeps ₹1100 in a bank. After 2 years the simple interest is ₹88. What is the rate of interest per year (in %)?
  8. 8.Sneha keeps ₹700 in a bank at 10% simple interest per year. How much money will there be after 5 years (in ₹)?
  9. 9.₹500 earns 10% simple interest per year. In how many years will the interest be ₹150?
  10. 10.Lakshmi has ₹1500. In a piggy bank it stays ₹1500. In a bank at 8% simple interest per year, how many rupees more will Lakshmi have after 4 years?
  11. 11.Kabir keeps ₹1000 in a bank. After 1 year the simple interest is ₹90. What is the rate of interest per year (in %)?
  12. 12.₹2000 earns 2% simple interest per year. In how many years will the interest be ₹80?
  13. 13.Aarav has ₹1700. In a piggy bank it stays ₹1700. In a bank at 7% simple interest per year, how many rupees more will Aarav have after 2 years?
  14. 14.Riya keeps ₹500 in a bank. After 2 years the simple interest is ₹60. What is the rate of interest per year (in %)?
  15. 15.Sneha keeps ₹100 in a bank at 8% simple interest per year. How much money will there be after 3 years (in ₹)?
  16. 16.Nisha keeps ₹500 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 1 year?
  17. 17.Ananya keeps ₹2000 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 1 year?
  18. 18.Nisha keeps ₹1700 in a bank. After 3 years the simple interest is ₹153. What is the rate of interest per year (in %)?
  19. 19.Tara keeps ₹1100 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 4 years?
  20. 20.₹100 earns 4% simple interest per year. In how many years will the interest be ₹20?
  21. 21.Vivaan keeps ₹1300 in a bank. After 4 years the simple interest is ₹208. What is the rate of interest per year (in %)?
  22. 22.Tara keeps ₹800 in a bank. After 3 years the simple interest is ₹240. What is the rate of interest per year (in %)?
  23. 23.Lakshmi keeps ₹500 in a bank. After 5 years the simple interest is ₹150. What is the rate of interest per year (in %)?
  24. 24.Isha keeps ₹200 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 1 year?
  25. 25.₹600 earns 4% simple interest per year. In how many years will the interest be ₹120?
  26. 26.₹900 earns 6% simple interest per year. In how many years will the interest be ₹216?
  27. 27.Dev has ₹100. In a piggy bank it stays ₹100. In a bank at 10% simple interest per year, how many rupees more will Dev have after 1 year?
  28. 28.Zoya keeps ₹1700 in a bank. After 5 years the simple interest is ₹680. What is the rate of interest per year (in %)?
  29. 29.Isha keeps ₹100 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 3 years?
  30. 30.₹100 earns 10% simple interest per year. In how many years will the interest be ₹20?
  31. 31.Manav keeps ₹700 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 1 year?
  32. 32.Sneha keeps ₹1400 in a bank at 4% simple interest per year. How much money will there be after 5 years (in ₹)?
  33. 33.₹1600 earns 9% simple interest per year. In how many years will the interest be ₹288?
  34. 34.Kabir has ₹300. In a piggy bank it stays ₹300. In a bank at 2% simple interest per year, how many rupees more will Kabir have after 4 years?
  35. 35.Kavya keeps ₹1700 in a bank at 9% simple interest per year. How much money will there be after 2 years (in ₹)?
  36. 36.Vivaan keeps ₹100 in a bank at 4% simple interest per year. How much money will there be after 5 years (in ₹)?
  37. 37.Pooja keeps ₹900 in a bank. After 4 years the simple interest is ₹180. What is the rate of interest per year (in %)?
  38. 38.Meera keeps ₹200 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 1 year?
  39. 39.Ananya keeps ₹300 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 4 years?
  40. 40.₹1000 earns 5% simple interest per year. In how many years will the interest be ₹200?

Answer key

  1. 36
  2. 14
  3. 48
  4. 3
  5. 4
  6. 10
  7. 4
  8. 1050
  9. 3
  10. 480
  11. 9
  12. 2
  13. 238
  14. 6
  15. 124
  16. 30
  17. 60
  18. 3
  19. 352
  20. 5
  21. 4
  22. 10
  23. 6
  24. 12
  25. 5
  26. 4
  27. 10
  28. 8
  29. 24
  30. 2
  31. 56
  32. 1680
  33. 2
  34. 24
  35. 2006
  36. 120
  37. 5
  38. 10
  39. 108
  40. 4

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