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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 223 · 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.₹1100 earns 2% simple interest per year. In how many years will the interest be ₹88?
  2. 2.Arjun keeps ₹400 in a bank. After 2 years the simple interest is ₹72. What is the rate of interest per year (in %)?
  3. 3.Manav keeps ₹300 in a bank. After 5 years the simple interest is ₹90. What is the rate of interest per year (in %)?
  4. 4.Manav keeps ₹500 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 2 years?
  5. 5.Meera keeps ₹400 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 3 years?
  6. 6.Isha has ₹1500. In a piggy bank it stays ₹1500. In a bank at 8% simple interest per year, how many rupees more will Isha have after 2 years?
  7. 7.Ananya keeps ₹1100 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 4 years?
  8. 8.Pooja keeps ₹800 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 4 years?
  9. 9.Joseph keeps ₹900 in a bank at 3% simple interest per year. How much money will there be after 1 year (in ₹)?
  10. 10.Vivaan has ₹1600. In a piggy bank it stays ₹1600. In a bank at 9% simple interest per year, how many rupees more will Vivaan have after 5 years?
  11. 11.Meera keeps ₹1800 in a bank at 4% simple interest per year. How much money will there be after 5 years (in ₹)?
  12. 12.Kabir has ₹800. In a piggy bank it stays ₹800. In a bank at 7% simple interest per year, how many rupees more will Kabir have after 2 years?
  13. 13.₹400 earns 3% simple interest per year. In how many years will the interest be ₹12?
  14. 14.₹1300 earns 5% simple interest per year. In how many years will the interest be ₹65?
  15. 15.Gurpreet keeps ₹800 in a bank. After 3 years the simple interest is ₹144. What is the rate of interest per year (in %)?
  16. 16.Vivaan keeps ₹1300 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 4 years?
  17. 17.₹600 earns 10% simple interest per year. In how many years will the interest be ₹180?
  18. 18.Meera has ₹1500. In a piggy bank it stays ₹1500. In a bank at 4% simple interest per year, how many rupees more will Meera have after 5 years?
  19. 19.₹1300 earns 10% simple interest per year. In how many years will the interest be ₹520?
  20. 20.Isha has ₹1400. In a piggy bank it stays ₹1400. In a bank at 4% simple interest per year, how many rupees more will Isha have after 3 years?
  21. 21.₹2000 earns 9% simple interest per year. In how many years will the interest be ₹720?
  22. 22.Dev keeps ₹1100 in a bank. After 4 years the simple interest is ₹440. What is the rate of interest per year (in %)?
  23. 23.₹1700 earns 8% simple interest per year. In how many years will the interest be ₹136?
  24. 24.Riya keeps ₹400 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 4 years?
  25. 25.Kabir keeps ₹1600 in a bank at 7% simple interest per year. How much money will there be after 3 years (in ₹)?
  26. 26.₹1700 earns 8% simple interest per year. In how many years will the interest be ₹408?
  27. 27.Ananya has ₹100. In a piggy bank it stays ₹100. In a bank at 3% simple interest per year, how many rupees more will Ananya have after 1 year?
  28. 28.Lakshmi keeps ₹1000 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 5 years?
  29. 29.Rahul has ₹700. In a piggy bank it stays ₹700. In a bank at 10% simple interest per year, how many rupees more will Rahul have after 5 years?
  30. 30.Kabir keeps ₹1200 in a bank. After 1 year the simple interest is ₹24. What is the rate of interest per year (in %)?
  31. 31.Priya keeps ₹700 in a bank. After 4 years the simple interest is ₹56. What is the rate of interest per year (in %)?
  32. 32.Aarav keeps ₹200 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 1 year?
  33. 33.Rohan keeps ₹500 in a bank. After 3 years the simple interest is ₹30. What is the rate of interest per year (in %)?
  34. 34.Meera keeps ₹1000 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 2 years?
  35. 35.Pooja has ₹1000. In a piggy bank it stays ₹1000. In a bank at 8% simple interest per year, how many rupees more will Pooja have after 4 years?
  36. 36.₹1000 earns 9% simple interest per year. In how many years will the interest be ₹360?
  37. 37.Kavya keeps ₹1100 in a bank at 6% simple interest per year. How much money will there be after 2 years (in ₹)?
  38. 38.Pooja keeps ₹1600 in a bank at 8% simple interest per year. How much money will there be after 3 years (in ₹)?
  39. 39.Kabir keeps ₹500 in a bank at 6% simple interest per year. How much money will there be after 1 year (in ₹)?
  40. 40.Dev keeps ₹400 in a bank. After 2 years the simple interest is ₹48. What is the rate of interest per year (in %)?

Answer key

  1. 4
  2. 9
  3. 6
  4. 90
  5. 24
  6. 240
  7. 264
  8. 128
  9. 927
  10. 720
  11. 2160
  12. 112
  13. 1
  14. 1
  15. 6
  16. 104
  17. 3
  18. 300
  19. 4
  20. 168
  21. 4
  22. 10
  23. 1
  24. 96
  25. 1936
  26. 3
  27. 3
  28. 300
  29. 350
  30. 2
  31. 2
  32. 12
  33. 2
  34. 60
  35. 320
  36. 4
  37. 1232
  38. 1984
  39. 530
  40. 6

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