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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 180 · 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.Ishaan keeps ₹200 in a bank at 4% simple interest per year. How much money will there be after 1 year (in ₹)?
  2. 2.Aditya keeps ₹1400 in a bank. After 3 years the simple interest is ₹420. What is the rate of interest per year (in %)?
  3. 3.₹700 earns 10% simple interest per year. In how many years will the interest be ₹210?
  4. 4.₹1500 earns 3% simple interest per year. In how many years will the interest be ₹45?
  5. 5.₹1800 earns 6% simple interest per year. In how many years will the interest be ₹432?
  6. 6.Lakshmi has ₹800. In a piggy bank it stays ₹800. In a bank at 9% simple interest per year, how many rupees more will Lakshmi have after 3 years?
  7. 7.Aarav keeps ₹300 in a bank at 8% simple interest per year. How much money will there be after 5 years (in ₹)?
  8. 8.Isha keeps ₹1500 in a bank. After 5 years the simple interest is ₹150. What is the rate of interest per year (in %)?
  9. 9.₹500 earns 8% simple interest per year. In how many years will the interest be ₹200?
  10. 10.₹800 earns 3% simple interest per year. In how many years will the interest be ₹120?
  11. 11.Saanvi keeps ₹900 in a bank. After 1 year the simple interest is ₹54. What is the rate of interest per year (in %)?
  12. 12.Farhan keeps ₹100 in a bank. After 1 year the simple interest is ₹3. What is the rate of interest per year (in %)?
  13. 13.Rohan keeps ₹300 in a bank. After 3 years the simple interest is ₹90. What is the rate of interest per year (in %)?
  14. 14.Sneha keeps ₹700 in a bank at 5% simple interest per year. How much money will there be after 3 years (in ₹)?
  15. 15.₹1400 earns 4% simple interest per year. In how many years will the interest be ₹112?
  16. 16.₹800 earns 2% simple interest per year. In how many years will the interest be ₹64?
  17. 17.Manav has ₹1200. In a piggy bank it stays ₹1200. In a bank at 7% simple interest per year, how many rupees more will Manav have after 1 year?
  18. 18.Ishaan keeps ₹1600 in a bank. After 1 year the simple interest is ₹32. What is the rate of interest per year (in %)?
  19. 19.Dev keeps ₹1400 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 1 year?
  20. 20.Lakshmi keeps ₹1000 in a bank at 5% simple interest per year. How much money will there be after 2 years (in ₹)?
  21. 21.Isha has ₹1900. In a piggy bank it stays ₹1900. In a bank at 3% simple interest per year, how many rupees more will Isha have after 5 years?
  22. 22.₹300 earns 8% simple interest per year. In how many years will the interest be ₹96?
  23. 23.Arjun keeps ₹500 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 2 years?
  24. 24.Diya keeps ₹500 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 2 years?
  25. 25.Zoya keeps ₹1500 in a bank at 6% simple interest per year. How much money will there be after 1 year (in ₹)?
  26. 26.Vivaan keeps ₹600 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 3 years?
  27. 27.Aditya keeps ₹900 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 3 years?
  28. 28.₹500 earns 6% simple interest per year. In how many years will the interest be ₹120?
  29. 29.Saanvi keeps ₹1000 in a bank. After 3 years the simple interest is ₹120. What is the rate of interest per year (in %)?
  30. 30.Diya keeps ₹1200 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 1 year?
  31. 31.Meera keeps ₹800 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 2 years?
  32. 32.Kabir keeps ₹500 in a bank. After 5 years the simple interest is ₹50. What is the rate of interest per year (in %)?
  33. 33.Rahul keeps ₹400 in a bank. After 2 years the simple interest is ₹24. What is the rate of interest per year (in %)?
  34. 34.Karan has ₹900. In a piggy bank it stays ₹900. In a bank at 3% simple interest per year, how many rupees more will Karan have after 2 years?
  35. 35.Ananya keeps ₹1800 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 5 years?
  36. 36.Zoya keeps ₹300 in a bank. After 4 years the simple interest is ₹96. What is the rate of interest per year (in %)?
  37. 37.Aditya keeps ₹1800 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 5 years?
  38. 38.Aarav keeps ₹800 in a bank. After 5 years the simple interest is ₹200. What is the rate of interest per year (in %)?
  39. 39.Priya keeps ₹1000 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 2 years?
  40. 40.Rahul keeps ₹600 in a bank at 8% simple interest per year. How much money will there be after 2 years (in ₹)?

Answer key

  1. 208
  2. 10
  3. 3
  4. 1
  5. 4
  6. 216
  7. 420
  8. 2
  9. 5
  10. 5
  11. 6
  12. 3
  13. 10
  14. 805
  15. 2
  16. 4
  17. 84
  18. 2
  19. 140
  20. 1100
  21. 285
  22. 4
  23. 60
  24. 70
  25. 1590
  26. 54
  27. 54
  28. 4
  29. 4
  30. 24
  31. 112
  32. 2
  33. 3
  34. 54
  35. 540
  36. 8
  37. 900
  38. 5
  39. 60
  40. 696

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