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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 4 · 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.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?
  2. 2.₹1600 earns 2% simple interest per year. In how many years will the interest be ₹160?
  3. 3.Ishaan keeps ₹1500 in a bank. After 2 years the simple interest is ₹300. What is the rate of interest per year (in %)?
  4. 4.Lakshmi keeps ₹1200 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 4 years?
  5. 5.Meera keeps ₹900 in a bank at 6% simple interest per year. How much money will there be after 5 years (in ₹)?
  6. 6.Meera keeps ₹900 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 2 years?
  7. 7.Ananya keeps ₹1500 in a bank. After 5 years the simple interest is ₹225. What is the rate of interest per year (in %)?
  8. 8.₹1500 earns 8% simple interest per year. In how many years will the interest be ₹240?
  9. 9.Dev keeps ₹1000 in a bank. After 4 years the simple interest is ₹240. What is the rate of interest per year (in %)?
  10. 10.Farhan keeps ₹2000 in a bank. After 5 years the simple interest is ₹700. What is the rate of interest per year (in %)?
  11. 11.₹1000 earns 9% simple interest per year. In how many years will the interest be ₹450?
  12. 12.Joseph keeps ₹200 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 4 years?
  13. 13.₹1000 earns 5% simple interest per year. In how many years will the interest be ₹150?
  14. 14.₹1500 earns 9% simple interest per year. In how many years will the interest be ₹405?
  15. 15.Sneha keeps ₹400 in a bank. After 5 years the simple interest is ₹80. What is the rate of interest per year (in %)?
  16. 16.₹700 earns 5% simple interest per year. In how many years will the interest be ₹175?
  17. 17.Zoya keeps ₹100 in a bank. After 5 years the simple interest is ₹45. What is the rate of interest per year (in %)?
  18. 18.Ishaan has ₹1700. In a piggy bank it stays ₹1700. In a bank at 2% simple interest per year, how many rupees more will Ishaan have after 1 year?
  19. 19.Meera keeps ₹1100 in a bank at 8% simple interest per year. How much money will there be after 5 years (in ₹)?
  20. 20.₹1500 earns 6% simple interest per year. In how many years will the interest be ₹180?
  21. 21.Aarav has ₹200. In a piggy bank it stays ₹200. In a bank at 2% simple interest per year, how many rupees more will Aarav have after 3 years?
  22. 22.Gurpreet keeps ₹400 in a bank. After 2 years the simple interest is ₹72. What is the rate of interest per year (in %)?
  23. 23.Farhan keeps ₹1700 in a bank at 9% simple interest per year. How much money will there be after 4 years (in ₹)?
  24. 24.Dev keeps ₹200 in a bank. After 5 years the simple interest is ₹100. What is the rate of interest per year (in %)?
  25. 25.₹300 earns 7% simple interest per year. In how many years will the interest be ₹63?
  26. 26.Sneha keeps ₹1800 in a bank. After 1 year the simple interest is ₹54. What is the rate of interest per year (in %)?
  27. 27.Meera keeps ₹200 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 2 years?
  28. 28.Isha keeps ₹1600 in a bank. After 4 years the simple interest is ₹640. What is the rate of interest per year (in %)?
  29. 29.Farhan keeps ₹700 in a bank. After 4 years the simple interest is ₹112. What is the rate of interest per year (in %)?
  30. 30.Rohan has ₹1400. In a piggy bank it stays ₹1400. In a bank at 10% simple interest per year, how many rupees more will Rohan have after 1 year?
  31. 31.₹1100 earns 5% simple interest per year. In how many years will the interest be ₹220?
  32. 32.Kavya has ₹1600. In a piggy bank it stays ₹1600. In a bank at 2% simple interest per year, how many rupees more will Kavya have after 2 years?
  33. 33.₹900 earns 5% simple interest per year. In how many years will the interest be ₹135?
  34. 34.Sneha keeps ₹500 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 2 years?
  35. 35.Arjun has ₹1000. In a piggy bank it stays ₹1000. In a bank at 6% simple interest per year, how many rupees more will Arjun have after 5 years?
  36. 36.Saanvi has ₹200. In a piggy bank it stays ₹200. In a bank at 9% simple interest per year, how many rupees more will Saanvi have after 1 year?
  37. 37.Farhan keeps ₹2000 in a bank at 8% simple interest per year. How much money will there be after 2 years (in ₹)?
  38. 38.Isha keeps ₹1400 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 1 year?
  39. 39.Nisha keeps ₹900 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 1 year?
  40. 40.Saanvi keeps ₹1100 in a bank at 7% simple interest per year. How much money will there be after 3 years (in ₹)?

Answer key

  1. 3
  2. 5
  3. 10
  4. 96
  5. 1170
  6. 72
  7. 3
  8. 2
  9. 6
  10. 7
  11. 5
  12. 80
  13. 3
  14. 3
  15. 4
  16. 5
  17. 9
  18. 34
  19. 1540
  20. 2
  21. 12
  22. 9
  23. 2312
  24. 10
  25. 3
  26. 3
  27. 12
  28. 10
  29. 4
  30. 140
  31. 4
  32. 64
  33. 3
  34. 90
  35. 300
  36. 18
  37. 2320
  38. 112
  39. 27
  40. 1331

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