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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 274 · 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.Aditya keeps ₹200 in a bank. After 3 years the simple interest is ₹48. What is the rate of interest per year (in %)?
  2. 2.Manav keeps ₹1100 in a bank. After 2 years the simple interest is ₹66. What is the rate of interest per year (in %)?
  3. 3.₹900 earns 4% simple interest per year. In how many years will the interest be ₹144?
  4. 4.₹600 earns 3% simple interest per year. In how many years will the interest be ₹72?
  5. 5.Vivaan keeps ₹900 in a bank. After 4 years the simple interest is ₹360. What is the rate of interest per year (in %)?
  6. 6.₹500 earns 3% simple interest per year. In how many years will the interest be ₹15?
  7. 7.Aarav keeps ₹100 in a bank at 10% simple interest per year. How much money will there be after 5 years (in ₹)?
  8. 8.₹300 earns 4% simple interest per year. In how many years will the interest be ₹36?
  9. 9.Meera keeps ₹200 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 5 years?
  10. 10.Joseph keeps ₹1200 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 1 year?
  11. 11.Saanvi keeps ₹800 in a bank at 7% simple interest per year. How much money will there be after 4 years (in ₹)?
  12. 12.Kavya has ₹900. In a piggy bank it stays ₹900. In a bank at 3% simple interest per year, how many rupees more will Kavya have after 3 years?
  13. 13.₹1200 earns 2% simple interest per year. In how many years will the interest be ₹24?
  14. 14.Zoya keeps ₹2000 in a bank. After 4 years the simple interest is ₹240. What is the rate of interest per year (in %)?
  15. 15.Aarav keeps ₹1700 in a bank. After 5 years the simple interest is ₹425. What is the rate of interest per year (in %)?
  16. 16.Zoya keeps ₹1800 in a bank at 4% simple interest per year. How much money will there be after 5 years (in ₹)?
  17. 17.Kavya keeps ₹1300 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 4 years?
  18. 18.Riya keeps ₹1900 in a bank at 9% simple interest per year. How much money will there be after 5 years (in ₹)?
  19. 19.₹700 earns 9% simple interest per year. In how many years will the interest be ₹63?
  20. 20.Diya keeps ₹1100 in a bank. After 3 years the simple interest is ₹66. What is the rate of interest per year (in %)?
  21. 21.Ishaan keeps ₹1800 in a bank at 2% simple interest per year. How much money will there be after 2 years (in ₹)?
  22. 22.Zoya keeps ₹900 in a bank at 8% simple interest per year. How much money will there be after 4 years (in ₹)?
  23. 23.Sneha keeps ₹1500 in a bank. After 1 year the simple interest is ₹105. What is the rate of interest per year (in %)?
  24. 24.Riya has ₹1100. In a piggy bank it stays ₹1100. In a bank at 8% simple interest per year, how many rupees more will Riya have after 2 years?
  25. 25.₹1000 earns 3% simple interest per year. In how many years will the interest be ₹120?
  26. 26.Isha has ₹2000. In a piggy bank it stays ₹2000. In a bank at 9% simple interest per year, how many rupees more will Isha have after 4 years?
  27. 27.Manav keeps ₹1800 in a bank. After 1 year the simple interest is ₹126. What is the rate of interest per year (in %)?
  28. 28.Manav keeps ₹2000 in a bank at 2% simple interest per year. How much money will there be after 5 years (in ₹)?
  29. 29.₹200 earns 3% simple interest per year. In how many years will the interest be ₹30?
  30. 30.Riya has ₹600. In a piggy bank it stays ₹600. In a bank at 6% simple interest per year, how many rupees more will Riya have after 4 years?
  31. 31.Diya keeps ₹700 in a bank. After 1 year the simple interest is ₹63. What is the rate of interest per year (in %)?
  32. 32.Vivaan keeps ₹1100 in a bank at 7% simple interest per year. How much money will there be after 5 years (in ₹)?
  33. 33.₹1700 earns 5% simple interest per year. In how many years will the interest be ₹255?
  34. 34.Diya keeps ₹1400 in a bank. After 1 year the simple interest is ₹98. What is the rate of interest per year (in %)?
  35. 35.Riya keeps ₹1600 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 2 years?
  36. 36.₹400 earns 6% simple interest per year. In how many years will the interest be ₹72?
  37. 37.Pooja keeps ₹500 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 5 years?
  38. 38.₹800 earns 10% simple interest per year. In how many years will the interest be ₹80?
  39. 39.Arjun keeps ₹1700 in a bank at 2% simple interest per year. How much money will there be after 3 years (in ₹)?
  40. 40.Lakshmi has ₹500. In a piggy bank it stays ₹500. In a bank at 2% simple interest per year, how many rupees more will Lakshmi have after 3 years?

Answer key

  1. 8
  2. 3
  3. 4
  4. 4
  5. 10
  6. 1
  7. 150
  8. 3
  9. 30
  10. 120
  11. 1024
  12. 81
  13. 1
  14. 3
  15. 5
  16. 2160
  17. 312
  18. 2755
  19. 1
  20. 2
  21. 1872
  22. 1188
  23. 7
  24. 176
  25. 4
  26. 720
  27. 7
  28. 2200
  29. 5
  30. 144
  31. 9
  32. 1485
  33. 3
  34. 7
  35. 288
  36. 3
  37. 225
  38. 1
  39. 1802
  40. 30

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