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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 215 · 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.Kavya has ₹800. In a piggy bank it stays ₹800. In a bank at 8% simple interest per year, how many rupees more will Kavya have after 3 years?
  2. 2.Tara keeps ₹1600 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 3 years?
  3. 3.Joseph keeps ₹800 in a bank at 7% simple interest per year. How much money will there be after 3 years (in ₹)?
  4. 4.Aditya has ₹900. In a piggy bank it stays ₹900. In a bank at 9% simple interest per year, how many rupees more will Aditya have after 1 year?
  5. 5.Tara keeps ₹1000 in a bank at 4% simple interest per year. How much money will there be after 2 years (in ₹)?
  6. 6.₹900 earns 10% simple interest per year. In how many years will the interest be ₹360?
  7. 7.Meera keeps ₹700 in a bank. After 1 year the simple interest is ₹21. What is the rate of interest per year (in %)?
  8. 8.₹1400 earns 6% simple interest per year. In how many years will the interest be ₹420?
  9. 9.Aditya keeps ₹100 in a bank. After 5 years the simple interest is ₹35. What is the rate of interest per year (in %)?
  10. 10.Priya keeps ₹1400 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 1 year?
  11. 11.Kabir keeps ₹600 in a bank at 3% simple interest per year. How much money will there be after 4 years (in ₹)?
  12. 12.₹2000 earns 10% simple interest per year. In how many years will the interest be ₹600?
  13. 13.Ishaan keeps ₹1800 in a bank at 10% simple interest per year. How much money will there be after 4 years (in ₹)?
  14. 14.Aarav keeps ₹1000 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 3 years?
  15. 15.Karan keeps ₹1100 in a bank at 6% simple interest per year. How much money will there be after 3 years (in ₹)?
  16. 16.Gurpreet keeps ₹500 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 3 years?
  17. 17.Rohan keeps ₹100 in a bank. After 4 years the simple interest is ₹16. What is the rate of interest per year (in %)?
  18. 18.Sneha keeps ₹500 in a bank. After 2 years the simple interest is ₹60. What is the rate of interest per year (in %)?
  19. 19.Zoya keeps ₹1200 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 4 years?
  20. 20.Joseph has ₹400. In a piggy bank it stays ₹400. In a bank at 4% simple interest per year, how many rupees more will Joseph have after 3 years?
  21. 21.Kavya keeps ₹400 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 2 years?
  22. 22.Joseph has ₹200. In a piggy bank it stays ₹200. In a bank at 5% simple interest per year, how many rupees more will Joseph have after 2 years?
  23. 23.Pooja keeps ₹900 in a bank at 3% simple interest per year. How much money will there be after 3 years (in ₹)?
  24. 24.Joseph keeps ₹100 in a bank. After 3 years the simple interest is ₹21. What is the rate of interest per year (in %)?
  25. 25.₹1900 earns 10% simple interest per year. In how many years will the interest be ₹760?
  26. 26.Ananya keeps ₹1800 in a bank. After 4 years the simple interest is ₹432. What is the rate of interest per year (in %)?
  27. 27.₹400 earns 9% simple interest per year. In how many years will the interest be ₹144?
  28. 28.Tara keeps ₹1300 in a bank at 5% simple interest per year. How much money will there be after 2 years (in ₹)?
  29. 29.₹1200 earns 10% simple interest per year. In how many years will the interest be ₹360?
  30. 30.Karan keeps ₹800 in a bank at 6% simple interest per year. How much money will there be after 2 years (in ₹)?
  31. 31.Sneha keeps ₹500 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 1 year?
  32. 32.Tara keeps ₹200 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 4 years?
  33. 33.Joseph keeps ₹700 in a bank. After 5 years the simple interest is ₹175. What is the rate of interest per year (in %)?
  34. 34.Farhan keeps ₹100 in a bank at 3% simple interest per year. How much money will there be after 3 years (in ₹)?
  35. 35.₹500 earns 5% simple interest per year. In how many years will the interest be ₹50?
  36. 36.₹500 earns 9% simple interest per year. In how many years will the interest be ₹45?
  37. 37.Zoya keeps ₹400 in a bank. After 5 years the simple interest is ₹160. What is the rate of interest per year (in %)?
  38. 38.Priya keeps ₹600 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 4 years?
  39. 39.₹300 earns 10% simple interest per year. In how many years will the interest be ₹120?
  40. 40.Aarav keeps ₹100 in a bank at 10% simple interest per year. How much money will there be after 1 year (in ₹)?

Answer key

  1. 192
  2. 240
  3. 968
  4. 81
  5. 1080
  6. 4
  7. 3
  8. 5
  9. 7
  10. 140
  11. 672
  12. 3
  13. 2520
  14. 90
  15. 1298
  16. 150
  17. 4
  18. 6
  19. 96
  20. 48
  21. 64
  22. 20
  23. 981
  24. 7
  25. 4
  26. 6
  27. 4
  28. 1430
  29. 3
  30. 896
  31. 30
  32. 24
  33. 5
  34. 109
  35. 2
  36. 1
  37. 8
  38. 72
  39. 4
  40. 110

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