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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 242 · 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 ₹1700 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 3 years?
  2. 2.Ananya keeps ₹1400 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 1 year?
  3. 3.₹1100 earns 9% simple interest per year. In how many years will the interest be ₹495?
  4. 4.Aditya keeps ₹1200 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 4 years?
  5. 5.₹100 earns 8% simple interest per year. In how many years will the interest be ₹24?
  6. 6.Joseph keeps ₹700 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 3 years?
  7. 7.Sneha keeps ₹700 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 3 years?
  8. 8.Aarav has ₹500. In a piggy bank it stays ₹500. In a bank at 2% simple interest per year, how many rupees more will Aarav have after 3 years?
  9. 9.Joseph keeps ₹100 in a bank at 9% simple interest per year. How much money will there be after 4 years (in ₹)?
  10. 10.Vivaan keeps ₹1300 in a bank. After 1 year the simple interest is ₹104. What is the rate of interest per year (in %)?
  11. 11.₹1500 earns 2% simple interest per year. In how many years will the interest be ₹150?
  12. 12.Rohan keeps ₹400 in a bank at 9% simple interest per year. How much money will there be after 1 year (in ₹)?
  13. 13.Meera keeps ₹1500 in a bank. After 3 years the simple interest is ₹450. What is the rate of interest per year (in %)?
  14. 14.Karan has ₹1800. In a piggy bank it stays ₹1800. In a bank at 10% simple interest per year, how many rupees more will Karan have after 1 year?
  15. 15.₹1600 earns 8% simple interest per year. In how many years will the interest be ₹128?
  16. 16.Aditya keeps ₹200 in a bank at 2% simple interest per year. How much money will there be after 1 year (in ₹)?
  17. 17.Karan has ₹2000. In a piggy bank it stays ₹2000. In a bank at 10% simple interest per year, how many rupees more will Karan have after 3 years?
  18. 18.Aarav keeps ₹100 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 5 years?
  19. 19.Gurpreet keeps ₹300 in a bank at 10% simple interest per year. How much money will there be after 5 years (in ₹)?
  20. 20.Joseph keeps ₹1000 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 5 years?
  21. 21.Farhan keeps ₹1300 in a bank at 3% simple interest per year. How much money will there be after 2 years (in ₹)?
  22. 22.₹200 earns 7% simple interest per year. In how many years will the interest be ₹28?
  23. 23.Isha keeps ₹1400 in a bank at 2% simple interest per year. How much money will there be after 1 year (in ₹)?
  24. 24.Aditya keeps ₹1100 in a bank at 2% simple interest per year. How much money will there be after 2 years (in ₹)?
  25. 25.Kabir keeps ₹700 in a bank. After 5 years the simple interest is ₹105. What is the rate of interest per year (in %)?
  26. 26.Lakshmi keeps ₹2000 in a bank at 3% simple interest per year. How much money will there be after 2 years (in ₹)?
  27. 27.₹2000 earns 8% simple interest per year. In how many years will the interest be ₹480?
  28. 28.Dev keeps ₹1100 in a bank at 6% simple interest per year. How much money will there be after 3 years (in ₹)?
  29. 29.Pooja has ₹1500. In a piggy bank it stays ₹1500. In a bank at 2% simple interest per year, how many rupees more will Pooja have after 2 years?
  30. 30.₹300 earns 9% simple interest per year. In how many years will the interest be ₹135?
  31. 31.₹500 earns 3% simple interest per year. In how many years will the interest be ₹45?
  32. 32.Manav keeps ₹300 in a bank at 4% simple interest per year. How much money will there be after 1 year (in ₹)?
  33. 33.₹1200 earns 2% simple interest per year. In how many years will the interest be ₹120?
  34. 34.Kavya keeps ₹500 in a bank. After 5 years the simple interest is ₹150. What is the rate of interest per year (in %)?
  35. 35.Saanvi has ₹1400. In a piggy bank it stays ₹1400. In a bank at 3% simple interest per year, how many rupees more will Saanvi have after 4 years?
  36. 36.Diya keeps ₹300 in a bank. After 4 years the simple interest is ₹84. What is the rate of interest per year (in %)?
  37. 37.Dev keeps ₹100 in a bank. After 1 year the simple interest is ₹7. What is the rate of interest per year (in %)?
  38. 38.Meera keeps ₹1800 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 2 years?
  39. 39.Meera keeps ₹2000 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 2 years?
  40. 40.₹1200 earns 8% simple interest per year. In how many years will the interest be ₹480?

Answer key

  1. 357
  2. 56
  3. 5
  4. 336
  5. 3
  6. 168
  7. 210
  8. 30
  9. 136
  10. 8
  11. 5
  12. 436
  13. 10
  14. 180
  15. 1
  16. 204
  17. 600
  18. 50
  19. 450
  20. 100
  21. 1378
  22. 2
  23. 1428
  24. 1144
  25. 3
  26. 2120
  27. 3
  28. 1298
  29. 60
  30. 5
  31. 3
  32. 312
  33. 5
  34. 6
  35. 168
  36. 7
  37. 7
  38. 360
  39. 360
  40. 5

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