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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 292 · 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.Aditya keeps ₹1700 in a bank at 5% simple interest per year. How much money will there be after 4 years (in ₹)?
  2. 2.Arjun keeps ₹1200 in a bank. After 4 years the simple interest is ₹288. What is the rate of interest per year (in %)?
  3. 3.Lakshmi has ₹400. In a piggy bank it stays ₹400. In a bank at 10% simple interest per year, how many rupees more will Lakshmi have after 1 year?
  4. 4.Rohan keeps ₹600 in a bank at 6% simple interest per year. How much money will there be after 2 years (in ₹)?
  5. 5.Rahul keeps ₹1400 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 2 years?
  6. 6.Rahul keeps ₹300 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 5 years?
  7. 7.₹1200 earns 9% simple interest per year. In how many years will the interest be ₹108?
  8. 8.Pooja has ₹600. In a piggy bank it stays ₹600. In a bank at 7% simple interest per year, how many rupees more will Pooja have after 4 years?
  9. 9.Priya keeps ₹1300 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 1 year?
  10. 10.Zoya keeps ₹400 in a bank. After 4 years the simple interest is ₹128. What is the rate of interest per year (in %)?
  11. 11.₹400 earns 5% simple interest per year. In how many years will the interest be ₹80?
  12. 12.Isha has ₹1700. In a piggy bank it stays ₹1700. In a bank at 7% simple interest per year, how many rupees more will Isha have after 5 years?
  13. 13.₹600 earns 3% simple interest per year. In how many years will the interest be ₹72?
  14. 14.Isha keeps ₹200 in a bank. After 2 years the simple interest is ₹12. What is the rate of interest per year (in %)?
  15. 15.₹600 earns 9% simple interest per year. In how many years will the interest be ₹270?
  16. 16.Ananya keeps ₹1100 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 4 years?
  17. 17.Joseph has ₹600. In a piggy bank it stays ₹600. In a bank at 8% simple interest per year, how many rupees more will Joseph have after 2 years?
  18. 18.₹1900 earns 3% simple interest per year. In how many years will the interest be ₹228?
  19. 19.Rahul keeps ₹1200 in a bank. After 2 years the simple interest is ₹168. What is the rate of interest per year (in %)?
  20. 20.₹700 earns 6% simple interest per year. In how many years will the interest be ₹42?
  21. 21.Pooja keeps ₹1700 in a bank. After 2 years the simple interest is ₹102. What is the rate of interest per year (in %)?
  22. 22.₹600 earns 4% simple interest per year. In how many years will the interest be ₹72?
  23. 23.Arjun keeps ₹2000 in a bank at 6% simple interest per year. How much money will there be after 4 years (in ₹)?
  24. 24.Vivaan keeps ₹1000 in a bank. After 3 years the simple interest is ₹60. What is the rate of interest per year (in %)?
  25. 25.₹800 earns 3% simple interest per year. In how many years will the interest be ₹24?
  26. 26.Riya keeps ₹600 in a bank at 9% simple interest per year. How much money will there be after 2 years (in ₹)?
  27. 27.Riya keeps ₹600 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 3 years?
  28. 28.Nisha keeps ₹1400 in a bank at 9% simple interest per year. How much money will there be after 5 years (in ₹)?
  29. 29.Vivaan keeps ₹1700 in a bank. After 3 years the simple interest is ₹408. What is the rate of interest per year (in %)?
  30. 30.Arjun keeps ₹1100 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 5 years?
  31. 31.Farhan keeps ₹2000 in a bank at 6% simple interest per year. How much money will there be after 3 years (in ₹)?
  32. 32.Gurpreet keeps ₹1500 in a bank at 6% simple interest per year. How much money will there be after 3 years (in ₹)?
  33. 33.Priya keeps ₹1500 in a bank. After 4 years the simple interest is ₹360. What is the rate of interest per year (in %)?
  34. 34.Lakshmi keeps ₹200 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 1 year?
  35. 35.Sneha has ₹600. In a piggy bank it stays ₹600. In a bank at 4% simple interest per year, how many rupees more will Sneha have after 2 years?
  36. 36.Ananya keeps ₹1300 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 3 years?
  37. 37.₹200 earns 2% simple interest per year. In how many years will the interest be ₹8?
  38. 38.Ishaan has ₹800. In a piggy bank it stays ₹800. In a bank at 2% simple interest per year, how many rupees more will Ishaan have after 1 year?
  39. 39.Aditya keeps ₹400 in a bank. After 1 year the simple interest is ₹24. What is the rate of interest per year (in %)?
  40. 40.₹300 earns 7% simple interest per year. In how many years will the interest be ₹21?

Answer key

  1. 2040
  2. 6
  3. 40
  4. 672
  5. 84
  6. 90
  7. 1
  8. 168
  9. 91
  10. 8
  11. 4
  12. 595
  13. 4
  14. 3
  15. 5
  16. 132
  17. 96
  18. 4
  19. 7
  20. 1
  21. 3
  22. 3
  23. 2480
  24. 2
  25. 1
  26. 708
  27. 36
  28. 2030
  29. 8
  30. 495
  31. 2360
  32. 1770
  33. 6
  34. 16
  35. 48
  36. 234
  37. 2
  38. 16
  39. 6
  40. 1

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