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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 235 · 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.Joseph keeps ₹1400 in a bank. After 2 years the simple interest is ₹252. What is the rate of interest per year (in %)?
  2. 2.Dev keeps ₹1900 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 2 years?
  3. 3.Riya keeps ₹200 in a bank. After 5 years the simple interest is ₹70. What is the rate of interest per year (in %)?
  4. 4.₹600 earns 5% simple interest per year. In how many years will the interest be ₹30?
  5. 5.Aarav keeps ₹300 in a bank. After 1 year the simple interest is ₹27. What is the rate of interest per year (in %)?
  6. 6.Vivaan keeps ₹1800 in a bank. After 5 years the simple interest is ₹630. What is the rate of interest per year (in %)?
  7. 7.Lakshmi keeps ₹600 in a bank at 10% simple interest per year. How much money will there be after 3 years (in ₹)?
  8. 8.Nisha has ₹400. In a piggy bank it stays ₹400. In a bank at 4% simple interest per year, how many rupees more will Nisha have after 2 years?
  9. 9.Karan keeps ₹600 in a bank at 6% simple interest per year. How much money will there be after 4 years (in ₹)?
  10. 10.Arjun has ₹1900. In a piggy bank it stays ₹1900. In a bank at 4% simple interest per year, how many rupees more will Arjun have after 5 years?
  11. 11.Isha keeps ₹900 in a bank. After 1 year the simple interest is ₹54. What is the rate of interest per year (in %)?
  12. 12.Riya keeps ₹1100 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 5 years?
  13. 13.Gurpreet has ₹1600. In a piggy bank it stays ₹1600. In a bank at 10% simple interest per year, how many rupees more will Gurpreet have after 2 years?
  14. 14.Kabir has ₹800. In a piggy bank it stays ₹800. In a bank at 10% simple interest per year, how many rupees more will Kabir have after 2 years?
  15. 15.₹1400 earns 3% simple interest per year. In how many years will the interest be ₹42?
  16. 16.Rohan keeps ₹1100 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 1 year?
  17. 17.Gurpreet keeps ₹400 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 2 years?
  18. 18.Farhan keeps ₹1500 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 5 years?
  19. 19.Rohan keeps ₹700 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 4 years?
  20. 20.Rahul keeps ₹1400 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 1 year?
  21. 21.Gurpreet keeps ₹1100 in a bank at 5% simple interest per year. How much money will there be after 5 years (in ₹)?
  22. 22.Zoya keeps ₹400 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 1 year?
  23. 23.₹1800 earns 3% simple interest per year. In how many years will the interest be ₹108?
  24. 24.Joseph keeps ₹1900 in a bank. After 5 years the simple interest is ₹760. What is the rate of interest per year (in %)?
  25. 25.Zoya keeps ₹1300 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 2 years?
  26. 26.Isha keeps ₹500 in a bank at 5% simple interest per year. How much money will there be after 4 years (in ₹)?
  27. 27.Dev has ₹900. In a piggy bank it stays ₹900. In a bank at 8% simple interest per year, how many rupees more will Dev have after 2 years?
  28. 28.Ananya keeps ₹1400 in a bank at 6% simple interest per year. How much money will there be after 4 years (in ₹)?
  29. 29.Aarav keeps ₹1800 in a bank. After 1 year the simple interest is ₹144. What is the rate of interest per year (in %)?
  30. 30.Riya keeps ₹500 in a bank at 6% simple interest per year. How much money will there be after 2 years (in ₹)?
  31. 31.₹1200 earns 10% simple interest per year. In how many years will the interest be ₹480?
  32. 32.₹1600 earns 2% simple interest per year. In how many years will the interest be ₹96?
  33. 33.₹1700 earns 9% simple interest per year. In how many years will the interest be ₹459?
  34. 34.Vivaan has ₹1200. In a piggy bank it stays ₹1200. In a bank at 9% simple interest per year, how many rupees more will Vivaan have after 4 years?
  35. 35.Tara keeps ₹1800 in a bank. After 3 years the simple interest is ₹432. What is the rate of interest per year (in %)?
  36. 36.₹800 earns 5% simple interest per year. In how many years will the interest be ₹120?
  37. 37.Isha keeps ₹400 in a bank. After 2 years the simple interest is ₹32. What is the rate of interest per year (in %)?
  38. 38.Nisha has ₹1100. In a piggy bank it stays ₹1100. In a bank at 10% simple interest per year, how many rupees more will Nisha have after 4 years?
  39. 39.Vivaan keeps ₹1700 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 3 years?
  40. 40.₹200 earns 7% simple interest per year. In how many years will the interest be ₹28?

Answer key

  1. 9
  2. 190
  3. 7
  4. 1
  5. 9
  6. 7
  7. 780
  8. 32
  9. 744
  10. 380
  11. 6
  12. 330
  13. 320
  14. 160
  15. 1
  16. 88
  17. 32
  18. 675
  19. 112
  20. 42
  21. 1375
  22. 32
  23. 2
  24. 8
  25. 182
  26. 600
  27. 144
  28. 1736
  29. 8
  30. 560
  31. 4
  32. 3
  33. 3
  34. 432
  35. 8
  36. 3
  37. 4
  38. 440
  39. 102
  40. 2

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