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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 61 · 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.Saanvi keeps ₹400 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 2 years?
  2. 2.Tara keeps ₹800 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 4 years?
  3. 3.Zoya keeps ₹1900 in a bank. After 1 year the simple interest is ₹190. What is the rate of interest per year (in %)?
  4. 4.Arjun keeps ₹1800 in a bank. After 1 year the simple interest is ₹90. What is the rate of interest per year (in %)?
  5. 5.Diya has ₹800. In a piggy bank it stays ₹800. In a bank at 5% simple interest per year, how many rupees more will Diya have after 3 years?
  6. 6.Rohan keeps ₹700 in a bank. After 3 years the simple interest is ₹147. What is the rate of interest per year (in %)?
  7. 7.Arjun keeps ₹1900 in a bank at 8% simple interest per year. How much money will there be after 4 years (in ₹)?
  8. 8.Meera keeps ₹400 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 3 years?
  9. 9.Lakshmi keeps ₹500 in a bank. After 5 years the simple interest is ₹125. What is the rate of interest per year (in %)?
  10. 10.Farhan keeps ₹400 in a bank. After 2 years the simple interest is ₹40. What is the rate of interest per year (in %)?
  11. 11.Rohan keeps ₹1900 in a bank at 3% simple interest per year. How much money will there be after 4 years (in ₹)?
  12. 12.Ishaan has ₹500. In a piggy bank it stays ₹500. In a bank at 9% simple interest per year, how many rupees more will Ishaan have after 1 year?
  13. 13.₹1600 earns 4% simple interest per year. In how many years will the interest be ₹64?
  14. 14.Aditya keeps ₹600 in a bank. After 3 years the simple interest is ₹36. What is the rate of interest per year (in %)?
  15. 15.Joseph keeps ₹1300 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 1 year?
  16. 16.₹1900 earns 7% simple interest per year. In how many years will the interest be ₹399?
  17. 17.Farhan has ₹1500. In a piggy bank it stays ₹1500. In a bank at 9% simple interest per year, how many rupees more will Farhan have after 1 year?
  18. 18.Vivaan keeps ₹200 in a bank at 8% simple interest per year. How much money will there be after 5 years (in ₹)?
  19. 19.Ananya keeps ₹100 in a bank at 4% simple interest per year. How much money will there be after 4 years (in ₹)?
  20. 20.₹1300 earns 2% simple interest per year. In how many years will the interest be ₹52?
  21. 21.Ananya keeps ₹1900 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 3 years?
  22. 22.Karan keeps ₹100 in a bank at 2% simple interest per year. How much money will there be after 1 year (in ₹)?
  23. 23.Karan keeps ₹1100 in a bank at 10% simple interest per year. How much money will there be after 1 year (in ₹)?
  24. 24.₹100 earns 3% simple interest per year. In how many years will the interest be ₹9?
  25. 25.Zoya keeps ₹400 in a bank at 3% simple interest per year. How much money will there be after 5 years (in ₹)?
  26. 26.Dev keeps ₹1400 in a bank. After 4 years the simple interest is ₹280. What is the rate of interest per year (in %)?
  27. 27.₹1600 earns 10% simple interest per year. In how many years will the interest be ₹480?
  28. 28.Lakshmi keeps ₹600 in a bank. After 4 years the simple interest is ₹192. What is the rate of interest per year (in %)?
  29. 29.Karan keeps ₹900 in a bank. After 5 years the simple interest is ₹270. What is the rate of interest per year (in %)?
  30. 30.Meera keeps ₹1900 in a bank at 2% simple interest per year. How much money will there be after 3 years (in ₹)?
  31. 31.Manav has ₹1900. In a piggy bank it stays ₹1900. In a bank at 6% simple interest per year, how many rupees more will Manav have after 1 year?
  32. 32.Rahul keeps ₹300 in a bank. After 5 years the simple interest is ₹120. What is the rate of interest per year (in %)?
  33. 33.₹700 earns 4% simple interest per year. In how many years will the interest be ₹56?
  34. 34.₹700 earns 2% simple interest per year. In how many years will the interest be ₹70?
  35. 35.Vivaan keeps ₹200 in a bank. After 5 years the simple interest is ₹40. What is the rate of interest per year (in %)?
  36. 36.Riya keeps ₹700 in a bank. After 1 year the simple interest is ₹21. What is the rate of interest per year (in %)?
  37. 37.₹300 earns 8% simple interest per year. In how many years will the interest be ₹24?
  38. 38.Arjun keeps ₹1000 in a bank at 2% simple interest per year. How much money will there be after 5 years (in ₹)?
  39. 39.₹1400 earns 6% simple interest per year. In how many years will the interest be ₹336?
  40. 40.₹400 earns 4% simple interest per year. In how many years will the interest be ₹16?

Answer key

  1. 40
  2. 96
  3. 10
  4. 5
  5. 120
  6. 7
  7. 2508
  8. 84
  9. 5
  10. 5
  11. 2128
  12. 45
  13. 1
  14. 2
  15. 78
  16. 3
  17. 135
  18. 280
  19. 116
  20. 2
  21. 456
  22. 102
  23. 1210
  24. 3
  25. 460
  26. 5
  27. 3
  28. 8
  29. 6
  30. 2014
  31. 114
  32. 8
  33. 2
  34. 5
  35. 4
  36. 3
  37. 1
  38. 1100
  39. 4
  40. 1

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