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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 153 · 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.Rohan has ₹700. In a piggy bank it stays ₹700. In a bank at 4% simple interest per year, how many rupees more will Rohan have after 2 years?
  2. 2.Joseph keeps ₹1100 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 4 years?
  3. 3.Rahul has ₹300. In a piggy bank it stays ₹300. In a bank at 6% simple interest per year, how many rupees more will Rahul have after 4 years?
  4. 4.Karan has ₹1800. In a piggy bank it stays ₹1800. In a bank at 10% simple interest per year, how many rupees more will Karan have after 2 years?
  5. 5.Kabir keeps ₹1200 in a bank at 4% simple interest per year. How much money will there be after 5 years (in ₹)?
  6. 6.Gurpreet keeps ₹800 in a bank at 3% simple interest per year. How much money will there be after 2 years (in ₹)?
  7. 7.Tara has ₹500. In a piggy bank it stays ₹500. In a bank at 10% simple interest per year, how many rupees more will Tara have after 1 year?
  8. 8.Meera has ₹500. In a piggy bank it stays ₹500. In a bank at 10% simple interest per year, how many rupees more will Meera have after 3 years?
  9. 9.₹1900 earns 7% simple interest per year. In how many years will the interest be ₹266?
  10. 10.₹1100 earns 3% simple interest per year. In how many years will the interest be ₹33?
  11. 11.Joseph keeps ₹1100 in a bank. After 3 years the simple interest is ₹99. What is the rate of interest per year (in %)?
  12. 12.₹1200 earns 6% simple interest per year. In how many years will the interest be ₹72?
  13. 13.Lakshmi keeps ₹800 in a bank at 10% simple interest per year. How much money will there be after 2 years (in ₹)?
  14. 14.₹700 earns 3% simple interest per year. In how many years will the interest be ₹21?
  15. 15.Ananya keeps ₹1500 in a bank at 7% simple interest per year. How much money will there be after 4 years (in ₹)?
  16. 16.Kabir has ₹1200. In a piggy bank it stays ₹1200. In a bank at 4% simple interest per year, how many rupees more will Kabir have after 5 years?
  17. 17.Saanvi keeps ₹1600 in a bank at 4% simple interest per year. How much money will there be after 1 year (in ₹)?
  18. 18.Tara keeps ₹900 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 1 year?
  19. 19.₹1200 earns 8% simple interest per year. In how many years will the interest be ₹384?
  20. 20.₹400 earns 3% simple interest per year. In how many years will the interest be ₹36?
  21. 21.Vivaan keeps ₹1100 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 3 years?
  22. 22.Tara keeps ₹1400 in a bank. After 1 year the simple interest is ₹98. What is the rate of interest per year (in %)?
  23. 23.₹1500 earns 5% simple interest per year. In how many years will the interest be ₹75?
  24. 24.Aarav keeps ₹1300 in a bank. After 1 year the simple interest is ₹91. What is the rate of interest per year (in %)?
  25. 25.Rohan keeps ₹700 in a bank at 8% simple interest per year. How much money will there be after 3 years (in ₹)?
  26. 26.₹200 earns 9% simple interest per year. In how many years will the interest be ₹36?
  27. 27.₹300 earns 10% simple interest per year. In how many years will the interest be ₹120?
  28. 28.Joseph keeps ₹1400 in a bank. After 2 years the simple interest is ₹112. What is the rate of interest per year (in %)?
  29. 29.Kabir keeps ₹1000 in a bank. After 4 years the simple interest is ₹280. What is the rate of interest per year (in %)?
  30. 30.Diya keeps ₹300 in a bank. After 1 year the simple interest is ₹9. What is the rate of interest per year (in %)?
  31. 31.Manav keeps ₹1700 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 3 years?
  32. 32.Ananya keeps ₹1400 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 5 years?
  33. 33.Aditya has ₹100. In a piggy bank it stays ₹100. In a bank at 9% simple interest per year, how many rupees more will Aditya have after 5 years?
  34. 34.₹200 earns 7% simple interest per year. In how many years will the interest be ₹14?
  35. 35.Saanvi keeps ₹200 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 4 years?
  36. 36.Nisha keeps ₹1900 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 2 years?
  37. 37.Farhan has ₹100. In a piggy bank it stays ₹100. In a bank at 3% simple interest per year, how many rupees more will Farhan have after 1 year?
  38. 38.Ishaan keeps ₹1500 in a bank at 8% simple interest per year. How much money will there be after 2 years (in ₹)?
  39. 39.₹500 earns 6% simple interest per year. In how many years will the interest be ₹150?
  40. 40.₹1300 earns 2% simple interest per year. In how many years will the interest be ₹78?

Answer key

  1. 56
  2. 308
  3. 72
  4. 360
  5. 1440
  6. 848
  7. 50
  8. 150
  9. 2
  10. 1
  11. 3
  12. 1
  13. 960
  14. 1
  15. 1920
  16. 240
  17. 1664
  18. 90
  19. 4
  20. 3
  21. 132
  22. 7
  23. 1
  24. 7
  25. 868
  26. 2
  27. 4
  28. 4
  29. 7
  30. 3
  31. 204
  32. 280
  33. 45
  34. 1
  35. 32
  36. 76
  37. 3
  38. 1740
  39. 5
  40. 3

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