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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 285 · 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.Nisha keeps ₹1300 in a bank. After 3 years the simple interest is ₹390. What is the rate of interest per year (in %)?
  2. 2.₹300 earns 4% simple interest per year. In how many years will the interest be ₹36?
  3. 3.Meera keeps ₹1500 in a bank. After 2 years the simple interest is ₹120. What is the rate of interest per year (in %)?
  4. 4.₹1900 earns 4% simple interest per year. In how many years will the interest be ₹152?
  5. 5.₹1300 earns 2% simple interest per year. In how many years will the interest be ₹104?
  6. 6.Aarav has ₹1100. In a piggy bank it stays ₹1100. In a bank at 2% simple interest per year, how many rupees more will Aarav have after 1 year?
  7. 7.Diya keeps ₹1500 in a bank at 7% simple interest per year. How much money will there be after 3 years (in ₹)?
  8. 8.Priya keeps ₹1000 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 5 years?
  9. 9.Karan keeps ₹900 in a bank at 2% simple interest per year. How much money will there be after 2 years (in ₹)?
  10. 10.Joseph keeps ₹1000 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 5 years?
  11. 11.Zoya keeps ₹1100 in a bank. After 1 year the simple interest is ₹77. What is the rate of interest per year (in %)?
  12. 12.Ananya keeps ₹1400 in a bank. After 3 years the simple interest is ₹126. What is the rate of interest per year (in %)?
  13. 13.₹1000 earns 7% simple interest per year. In how many years will the interest be ₹210?
  14. 14.Gurpreet has ₹800. In a piggy bank it stays ₹800. In a bank at 10% simple interest per year, how many rupees more will Gurpreet have after 4 years?
  15. 15.Tara keeps ₹800 in a bank. After 1 year the simple interest is ₹48. What is the rate of interest per year (in %)?
  16. 16.Nisha has ₹1500. In a piggy bank it stays ₹1500. In a bank at 9% simple interest per year, how many rupees more will Nisha have after 5 years?
  17. 17.Rohan keeps ₹300 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 2 years?
  18. 18.₹1900 earns 4% simple interest per year. In how many years will the interest be ₹228?
  19. 19.₹1900 earns 8% simple interest per year. In how many years will the interest be ₹456?
  20. 20.Farhan keeps ₹1200 in a bank. After 2 years the simple interest is ₹96. What is the rate of interest per year (in %)?
  21. 21.₹1900 earns 7% simple interest per year. In how many years will the interest be ₹399?
  22. 22.Diya keeps ₹500 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 5 years?
  23. 23.Vivaan keeps ₹1600 in a bank. After 5 years the simple interest is ₹480. What is the rate of interest per year (in %)?
  24. 24.Farhan keeps ₹500 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 2 years?
  25. 25.Isha has ₹1600. In a piggy bank it stays ₹1600. In a bank at 4% simple interest per year, how many rupees more will Isha have after 1 year?
  26. 26.Rahul keeps ₹600 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 4 years?
  27. 27.Vivaan keeps ₹500 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 5 years?
  28. 28.Kavya keeps ₹1700 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 1 year?
  29. 29.Rohan keeps ₹1300 in a bank. After 3 years the simple interest is ₹312. What is the rate of interest per year (in %)?
  30. 30.₹1200 earns 2% simple interest per year. In how many years will the interest be ₹48?
  31. 31.Isha keeps ₹1800 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 2 years?
  32. 32.Rohan keeps ₹1500 in a bank at 8% simple interest per year. How much money will there be after 2 years (in ₹)?
  33. 33.Gurpreet keeps ₹400 in a bank. After 1 year the simple interest is ₹20. What is the rate of interest per year (in %)?
  34. 34.Dev keeps ₹100 in a bank at 5% simple interest per year. How much money will there be after 2 years (in ₹)?
  35. 35.Tara has ₹1200. In a piggy bank it stays ₹1200. In a bank at 3% simple interest per year, how many rupees more will Tara have after 5 years?
  36. 36.Tara keeps ₹1800 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 1 year?
  37. 37.₹1100 earns 10% simple interest per year. In how many years will the interest be ₹110?
  38. 38.Priya has ₹1100. In a piggy bank it stays ₹1100. In a bank at 10% simple interest per year, how many rupees more will Priya have after 1 year?
  39. 39.Rohan keeps ₹1900 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 5 years?
  40. 40.Aditya keeps ₹1600 in a bank. After 4 years the simple interest is ₹576. What is the rate of interest per year (in %)?

Answer key

  1. 10
  2. 3
  3. 4
  4. 2
  5. 4
  6. 22
  7. 1815
  8. 250
  9. 936
  10. 300
  11. 7
  12. 3
  13. 3
  14. 320
  15. 6
  16. 675
  17. 18
  18. 3
  19. 3
  20. 4
  21. 3
  22. 100
  23. 6
  24. 90
  25. 64
  26. 72
  27. 50
  28. 51
  29. 8
  30. 2
  31. 180
  32. 1740
  33. 5
  34. 110
  35. 180
  36. 108
  37. 1
  38. 110
  39. 380
  40. 9

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