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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 3 · 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.₹1800 earns 4% simple interest per year. In how many years will the interest be ₹288?
  2. 2.Riya has ₹700. In a piggy bank it stays ₹700. In a bank at 6% simple interest per year, how many rupees more will Riya have after 3 years?
  3. 3.₹1800 earns 3% simple interest per year. In how many years will the interest be ₹270?
  4. 4.Vivaan keeps ₹300 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 3 years?
  5. 5.₹1500 earns 5% simple interest per year. In how many years will the interest be ₹150?
  6. 6.Kavya has ₹1800. In a piggy bank it stays ₹1800. In a bank at 3% simple interest per year, how many rupees more will Kavya have after 2 years?
  7. 7.Riya keeps ₹800 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 3 years?
  8. 8.Ishaan keeps ₹1600 in a bank. After 1 year the simple interest is ₹160. What is the rate of interest per year (in %)?
  9. 9.₹1800 earns 10% simple interest per year. In how many years will the interest be ₹900?
  10. 10.Ananya keeps ₹300 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 3 years?
  11. 11.Meera keeps ₹1700 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 3 years?
  12. 12.Meera keeps ₹800 in a bank at 7% simple interest per year. How much money will there be after 1 year (in ₹)?
  13. 13.Nisha keeps ₹100 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 1 year?
  14. 14.Rahul keeps ₹600 in a bank. After 5 years the simple interest is ₹60. What is the rate of interest per year (in %)?
  15. 15.₹1600 earns 4% simple interest per year. In how many years will the interest be ₹128?
  16. 16.Kabir keeps ₹100 in a bank at 6% simple interest per year. How much money will there be after 4 years (in ₹)?
  17. 17.₹400 earns 6% simple interest per year. In how many years will the interest be ₹24?
  18. 18.Ananya keeps ₹200 in a bank. After 1 year the simple interest is ₹10. What is the rate of interest per year (in %)?
  19. 19.Ishaan has ₹100. In a piggy bank it stays ₹100. In a bank at 9% simple interest per year, how many rupees more will Ishaan have after 3 years?
  20. 20.Joseph has ₹2000. In a piggy bank it stays ₹2000. In a bank at 7% simple interest per year, how many rupees more will Joseph have after 5 years?
  21. 21.₹1700 earns 10% simple interest per year. In how many years will the interest be ₹510?
  22. 22.Rahul keeps ₹800 in a bank. After 1 year the simple interest is ₹16. What is the rate of interest per year (in %)?
  23. 23.Diya keeps ₹200 in a bank at 3% simple interest per year. How much money will there be after 5 years (in ₹)?
  24. 24.Aarav keeps ₹900 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 2 years?
  25. 25.Tara keeps ₹300 in a bank at 5% simple interest per year. How much money will there be after 1 year (in ₹)?
  26. 26.₹600 earns 2% simple interest per year. In how many years will the interest be ₹12?
  27. 27.Tara keeps ₹400 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 4 years?
  28. 28.Aarav keeps ₹1300 in a bank at 7% simple interest per year. How much money will there be after 4 years (in ₹)?
  29. 29.Joseph keeps ₹900 in a bank. After 5 years the simple interest is ₹180. What is the rate of interest per year (in %)?
  30. 30.Ananya keeps ₹1600 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 3 years?
  31. 31.Arjun keeps ₹1400 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 3 years?
  32. 32.Tara keeps ₹900 in a bank at 6% simple interest per year. How much money will there be after 1 year (in ₹)?
  33. 33.Arjun has ₹600. In a piggy bank it stays ₹600. In a bank at 7% simple interest per year, how many rupees more will Arjun have after 1 year?
  34. 34.Nisha keeps ₹100 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 4 years?
  35. 35.Saanvi has ₹500. In a piggy bank it stays ₹500. In a bank at 6% simple interest per year, how many rupees more will Saanvi have after 3 years?
  36. 36.Karan keeps ₹600 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 1 year?
  37. 37.Rahul has ₹1800. In a piggy bank it stays ₹1800. In a bank at 5% simple interest per year, how many rupees more will Rahul have after 4 years?
  38. 38.Manav keeps ₹1100 in a bank. After 2 years the simple interest is ₹88. What is the rate of interest per year (in %)?
  39. 39.Rahul keeps ₹1700 in a bank at 5% simple interest per year. How much money will there be after 3 years (in ₹)?
  40. 40.Sneha keeps ₹800 in a bank at 7% simple interest per year. How much money will there be after 1 year (in ₹)?

Answer key

  1. 4
  2. 126
  3. 5
  4. 18
  5. 2
  6. 108
  7. 216
  8. 10
  9. 5
  10. 72
  11. 153
  12. 856
  13. 4
  14. 2
  15. 2
  16. 124
  17. 1
  18. 5
  19. 27
  20. 700
  21. 3
  22. 2
  23. 230
  24. 180
  25. 315
  26. 1
  27. 96
  28. 1664
  29. 4
  30. 192
  31. 168
  32. 954
  33. 42
  34. 28
  35. 90
  36. 36
  37. 360
  38. 4
  39. 1955
  40. 856

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