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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 104 · 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.Saanvi keeps ₹900 in a bank. After 3 years the simple interest is ₹270. What is the rate of interest per year (in %)?
  2. 2.Meera keeps ₹500 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 3 years?
  3. 3.Manav keeps ₹1700 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 3 years?
  4. 4.Meera keeps ₹100 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 5 years?
  5. 5.₹1100 earns 10% simple interest per year. In how many years will the interest be ₹330?
  6. 6.Tara keeps ₹2000 in a bank. After 3 years the simple interest is ₹240. What is the rate of interest per year (in %)?
  7. 7.Ananya has ₹800. In a piggy bank it stays ₹800. In a bank at 7% simple interest per year, how many rupees more will Ananya have after 2 years?
  8. 8.₹1600 earns 4% simple interest per year. In how many years will the interest be ₹320?
  9. 9.₹1800 earns 2% simple interest per year. In how many years will the interest be ₹144?
  10. 10.Gurpreet keeps ₹1500 in a bank at 5% simple interest per year. How much money will there be after 5 years (in ₹)?
  11. 11.Zoya has ₹900. In a piggy bank it stays ₹900. In a bank at 9% simple interest per year, how many rupees more will Zoya have after 5 years?
  12. 12.Isha keeps ₹200 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 5 years?
  13. 13.Lakshmi has ₹300. In a piggy bank it stays ₹300. In a bank at 7% simple interest per year, how many rupees more will Lakshmi have after 4 years?
  14. 14.₹200 earns 10% simple interest per year. In how many years will the interest be ₹20?
  15. 15.₹300 earns 8% simple interest per year. In how many years will the interest be ₹48?
  16. 16.₹1100 earns 4% simple interest per year. In how many years will the interest be ₹220?
  17. 17.₹400 earns 3% simple interest per year. In how many years will the interest be ₹36?
  18. 18.Joseph has ₹200. In a piggy bank it stays ₹200. In a bank at 6% simple interest per year, how many rupees more will Joseph have after 1 year?
  19. 19.Rohan keeps ₹100 in a bank. After 1 year the simple interest is ₹6. What is the rate of interest per year (in %)?
  20. 20.Arjun keeps ₹1700 in a bank at 2% simple interest per year. How much money will there be after 1 year (in ₹)?
  21. 21.Gurpreet keeps ₹800 in a bank at 3% simple interest per year. How much money will there be after 3 years (in ₹)?
  22. 22.Vivaan has ₹100. In a piggy bank it stays ₹100. In a bank at 7% simple interest per year, how many rupees more will Vivaan have after 2 years?
  23. 23.Rohan has ₹1100. In a piggy bank it stays ₹1100. In a bank at 10% simple interest per year, how many rupees more will Rohan have after 4 years?
  24. 24.Lakshmi keeps ₹100 in a bank. After 1 year the simple interest is ₹9. What is the rate of interest per year (in %)?
  25. 25.Kabir has ₹100. In a piggy bank it stays ₹100. In a bank at 7% simple interest per year, how many rupees more will Kabir have after 1 year?
  26. 26.Rohan keeps ₹400 in a bank at 2% simple interest per year. How much money will there be after 4 years (in ₹)?
  27. 27.Arjun keeps ₹300 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 5 years?
  28. 28.₹1200 earns 8% simple interest per year. In how many years will the interest be ₹192?
  29. 29.Ananya keeps ₹600 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 2 years?
  30. 30.₹1900 earns 8% simple interest per year. In how many years will the interest be ₹152?
  31. 31.₹1600 earns 2% simple interest per year. In how many years will the interest be ₹160?
  32. 32.Ananya keeps ₹800 in a bank. After 4 years the simple interest is ₹256. What is the rate of interest per year (in %)?
  33. 33.Ananya has ₹1000. In a piggy bank it stays ₹1000. In a bank at 8% simple interest per year, how many rupees more will Ananya have after 5 years?
  34. 34.₹1300 earns 8% simple interest per year. In how many years will the interest be ₹208?
  35. 35.Rahul keeps ₹1800 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 4 years?
  36. 36.Diya keeps ₹100 in a bank. After 2 years the simple interest is ₹12. What is the rate of interest per year (in %)?
  37. 37.Ishaan keeps ₹200 in a bank at 3% simple interest per year. How much money will there be after 2 years (in ₹)?
  38. 38.₹300 earns 10% simple interest per year. In how many years will the interest be ₹120?
  39. 39.Rahul keeps ₹900 in a bank. After 3 years the simple interest is ₹216. What is the rate of interest per year (in %)?
  40. 40.Kabir has ₹1500. In a piggy bank it stays ₹1500. In a bank at 6% simple interest per year, how many rupees more will Kabir have after 1 year?

Answer key

  1. 10
  2. 45
  3. 102
  4. 30
  5. 3
  6. 4
  7. 112
  8. 5
  9. 4
  10. 1875
  11. 405
  12. 100
  13. 84
  14. 1
  15. 2
  16. 5
  17. 3
  18. 12
  19. 6
  20. 1734
  21. 872
  22. 14
  23. 440
  24. 9
  25. 7
  26. 432
  27. 105
  28. 2
  29. 48
  30. 1
  31. 5
  32. 8
  33. 400
  34. 2
  35. 288
  36. 6
  37. 212
  38. 4
  39. 8
  40. 90

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