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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 146 · 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.Priya keeps ₹1800 in a bank at 4% simple interest per year. How much money will there be after 1 year (in ₹)?
  2. 2.Diya keeps ₹1600 in a bank at 6% simple interest per year. How much money will there be after 3 years (in ₹)?
  3. 3.Aarav has ₹400. In a piggy bank it stays ₹400. In a bank at 2% simple interest per year, how many rupees more will Aarav have after 4 years?
  4. 4.Arjun has ₹800. In a piggy bank it stays ₹800. In a bank at 4% simple interest per year, how many rupees more will Arjun have after 4 years?
  5. 5.Meera keeps ₹900 in a bank. After 1 year the simple interest is ₹90. What is the rate of interest per year (in %)?
  6. 6.Gurpreet keeps ₹400 in a bank at 10% simple interest per year. How much money will there be after 1 year (in ₹)?
  7. 7.Pooja keeps ₹200 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 2 years?
  8. 8.Pooja has ₹1100. In a piggy bank it stays ₹1100. In a bank at 2% simple interest per year, how many rupees more will Pooja have after 1 year?
  9. 9.Manav has ₹1900. In a piggy bank it stays ₹1900. In a bank at 5% simple interest per year, how many rupees more will Manav have after 1 year?
  10. 10.Meera has ₹1600. In a piggy bank it stays ₹1600. In a bank at 2% simple interest per year, how many rupees more will Meera have after 3 years?
  11. 11.Kabir keeps ₹300 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 3 years?
  12. 12.Gurpreet keeps ₹300 in a bank. After 3 years the simple interest is ₹54. What is the rate of interest per year (in %)?
  13. 13.₹1400 earns 5% simple interest per year. In how many years will the interest be ₹280?
  14. 14.Lakshmi has ₹100. In a piggy bank it stays ₹100. In a bank at 6% simple interest per year, how many rupees more will Lakshmi have after 5 years?
  15. 15.Tara keeps ₹700 in a bank at 6% simple interest per year. How much money will there be after 5 years (in ₹)?
  16. 16.Farhan has ₹200. In a piggy bank it stays ₹200. In a bank at 10% simple interest per year, how many rupees more will Farhan have after 3 years?
  17. 17.Saanvi keeps ₹1600 in a bank at 5% simple interest per year. How much money will there be after 5 years (in ₹)?
  18. 18.₹600 earns 6% simple interest per year. In how many years will the interest be ₹36?
  19. 19.Joseph keeps ₹1800 in a bank at 5% simple interest per year. How much money will there be after 5 years (in ₹)?
  20. 20.₹1600 earns 3% simple interest per year. In how many years will the interest be ₹144?
  21. 21.₹100 earns 9% simple interest per year. In how many years will the interest be ₹18?
  22. 22.₹800 earns 2% simple interest per year. In how many years will the interest be ₹48?
  23. 23.Rohan has ₹900. In a piggy bank it stays ₹900. In a bank at 7% simple interest per year, how many rupees more will Rohan have after 4 years?
  24. 24.Priya has ₹800. In a piggy bank it stays ₹800. In a bank at 6% simple interest per year, how many rupees more will Priya have after 5 years?
  25. 25.Manav keeps ₹500 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 5 years?
  26. 26.Farhan keeps ₹1400 in a bank. After 5 years the simple interest is ₹420. What is the rate of interest per year (in %)?
  27. 27.₹1900 earns 3% simple interest per year. In how many years will the interest be ₹114?
  28. 28.Rohan keeps ₹1900 in a bank. After 4 years the simple interest is ₹304. What is the rate of interest per year (in %)?
  29. 29.Diya has ₹300. In a piggy bank it stays ₹300. In a bank at 9% simple interest per year, how many rupees more will Diya have after 4 years?
  30. 30.Farhan keeps ₹1700 in a bank. After 1 year the simple interest is ₹51. What is the rate of interest per year (in %)?
  31. 31.Riya keeps ₹600 in a bank. After 1 year the simple interest is ₹54. What is the rate of interest per year (in %)?
  32. 32.Diya keeps ₹600 in a bank. After 2 years the simple interest is ₹72. What is the rate of interest per year (in %)?
  33. 33.Manav keeps ₹1900 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 1 year?
  34. 34.₹100 earns 7% simple interest per year. In how many years will the interest be ₹21?
  35. 35.₹1900 earns 2% simple interest per year. In how many years will the interest be ₹76?
  36. 36.Joseph has ₹800. In a piggy bank it stays ₹800. In a bank at 6% simple interest per year, how many rupees more will Joseph have after 4 years?
  37. 37.Vivaan keeps ₹800 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 5 years?
  38. 38.₹1200 earns 9% simple interest per year. In how many years will the interest be ₹432?
  39. 39.Aditya keeps ₹1400 in a bank at 9% simple interest per year. How much money will there be after 4 years (in ₹)?
  40. 40.Joseph keeps ₹400 in a bank at 5% simple interest per year. How much money will there be after 5 years (in ₹)?

Answer key

  1. 1872
  2. 1888
  3. 32
  4. 128
  5. 10
  6. 440
  7. 12
  8. 22
  9. 95
  10. 96
  11. 27
  12. 6
  13. 4
  14. 30
  15. 910
  16. 60
  17. 2000
  18. 1
  19. 2250
  20. 3
  21. 2
  22. 3
  23. 252
  24. 240
  25. 225
  26. 6
  27. 2
  28. 4
  29. 108
  30. 3
  31. 9
  32. 6
  33. 57
  34. 3
  35. 2
  36. 192
  37. 240
  38. 4
  39. 1904
  40. 500

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