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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 123 · 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.Ananya keeps ₹1100 in a bank. After 1 year the simple interest is ₹99. What is the rate of interest per year (in %)?
  2. 2.₹300 earns 7% simple interest per year. In how many years will the interest be ₹63?
  3. 3.Kabir keeps ₹1800 in a bank at 3% simple interest per year. How much money will there be after 2 years (in ₹)?
  4. 4.₹500 earns 8% simple interest per year. In how many years will the interest be ₹80?
  5. 5.Kavya keeps ₹1800 in a bank at 5% simple interest per year. How much money will there be after 2 years (in ₹)?
  6. 6.Ananya keeps ₹1800 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 4 years?
  7. 7.Pooja keeps ₹1300 in a bank. After 2 years the simple interest is ₹130. What is the rate of interest per year (in %)?
  8. 8.Nisha keeps ₹900 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 5 years?
  9. 9.Sneha keeps ₹1100 in a bank at 2% simple interest per year. How much money will there be after 3 years (in ₹)?
  10. 10.Aditya keeps ₹200 in a bank. After 4 years the simple interest is ₹16. What is the rate of interest per year (in %)?
  11. 11.Diya keeps ₹1700 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 5 years?
  12. 12.Ananya keeps ₹500 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 1 year?
  13. 13.Lakshmi keeps ₹2000 in a bank at 4% simple interest per year. How much money will there be after 1 year (in ₹)?
  14. 14.Aarav keeps ₹600 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 4 years?
  15. 15.Farhan keeps ₹1200 in a bank at 8% simple interest per year. How much money will there be after 1 year (in ₹)?
  16. 16.Farhan keeps ₹300 in a bank. After 1 year the simple interest is ₹12. What is the rate of interest per year (in %)?
  17. 17.₹300 earns 7% simple interest per year. In how many years will the interest be ₹42?
  18. 18.Nisha keeps ₹1900 in a bank. After 1 year the simple interest is ₹38. What is the rate of interest per year (in %)?
  19. 19.₹400 earns 3% simple interest per year. In how many years will the interest be ₹60?
  20. 20.Pooja keeps ₹600 in a bank. After 1 year the simple interest is ₹48. What is the rate of interest per year (in %)?
  21. 21.₹500 earns 7% simple interest per year. In how many years will the interest be ₹70?
  22. 22.Aditya keeps ₹500 in a bank at 10% simple interest per year. How much money will there be after 5 years (in ₹)?
  23. 23.Vivaan keeps ₹600 in a bank at 6% simple interest per year. How much money will there be after 1 year (in ₹)?
  24. 24.₹1200 earns 3% simple interest per year. In how many years will the interest be ₹108?
  25. 25.Tara keeps ₹100 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 5 years?
  26. 26.Aditya keeps ₹1400 in a bank. After 2 years the simple interest is ₹224. What is the rate of interest per year (in %)?
  27. 27.Isha has ₹400. In a piggy bank it stays ₹400. In a bank at 2% simple interest per year, how many rupees more will Isha have after 3 years?
  28. 28.₹1500 earns 4% simple interest per year. In how many years will the interest be ₹60?
  29. 29.Rohan keeps ₹500 in a bank at 2% simple interest per year. How much money will there be after 3 years (in ₹)?
  30. 30.₹1100 earns 7% simple interest per year. In how many years will the interest be ₹154?
  31. 31.Dev keeps ₹400 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 1 year?
  32. 32.₹1700 earns 6% simple interest per year. In how many years will the interest be ₹408?
  33. 33.Isha keeps ₹1300 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 4 years?
  34. 34.Rahul keeps ₹1900 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 3 years?
  35. 35.₹1300 earns 2% simple interest per year. In how many years will the interest be ₹130?
  36. 36.₹400 earns 10% simple interest per year. In how many years will the interest be ₹80?
  37. 37.Kabir keeps ₹1800 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 3 years?
  38. 38.Priya keeps ₹1400 in a bank at 7% simple interest per year. How much money will there be after 1 year (in ₹)?
  39. 39.Zoya has ₹100. In a piggy bank it stays ₹100. In a bank at 4% simple interest per year, how many rupees more will Zoya have after 3 years?
  40. 40.Tara keeps ₹1700 in a bank. After 2 years the simple interest is ₹170. What is the rate of interest per year (in %)?

Answer key

  1. 9
  2. 3
  3. 1908
  4. 2
  5. 1980
  6. 144
  7. 5
  8. 180
  9. 1166
  10. 2
  11. 510
  12. 10
  13. 2080
  14. 192
  15. 1296
  16. 4
  17. 2
  18. 2
  19. 5
  20. 8
  21. 2
  22. 750
  23. 636
  24. 3
  25. 45
  26. 8
  27. 24
  28. 1
  29. 530
  30. 2
  31. 32
  32. 4
  33. 104
  34. 456
  35. 5
  36. 2
  37. 108
  38. 1498
  39. 12
  40. 5

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