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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 122 · 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.Diya keeps ₹400 in a bank. After 3 years the simple interest is ₹96. What is the rate of interest per year (in %)?
  2. 2.Dev keeps ₹700 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 2 years?
  3. 3.Kavya has ₹600. In a piggy bank it stays ₹600. In a bank at 7% simple interest per year, how many rupees more will Kavya have after 1 year?
  4. 4.₹1000 earns 3% simple interest per year. In how many years will the interest be ₹30?
  5. 5.Arjun keeps ₹900 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 3 years?
  6. 6.₹1200 earns 6% simple interest per year. In how many years will the interest be ₹144?
  7. 7.Aarav keeps ₹500 in a bank. After 1 year the simple interest is ₹35. What is the rate of interest per year (in %)?
  8. 8.Ishaan has ₹1500. In a piggy bank it stays ₹1500. In a bank at 6% simple interest per year, how many rupees more will Ishaan have after 1 year?
  9. 9.Pooja keeps ₹1800 in a bank. After 1 year the simple interest is ₹180. What is the rate of interest per year (in %)?
  10. 10.Nisha keeps ₹1600 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 5 years?
  11. 11.Rohan keeps ₹1200 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 4 years?
  12. 12.Farhan has ₹100. In a piggy bank it stays ₹100. In a bank at 9% simple interest per year, how many rupees more will Farhan have after 2 years?
  13. 13.₹1700 earns 2% simple interest per year. In how many years will the interest be ₹68?
  14. 14.Riya has ₹2000. In a piggy bank it stays ₹2000. In a bank at 10% simple interest per year, how many rupees more will Riya have after 5 years?
  15. 15.₹400 earns 3% simple interest per year. In how many years will the interest be ₹36?
  16. 16.₹500 earns 7% simple interest per year. In how many years will the interest be ₹175?
  17. 17.Nisha keeps ₹1000 in a bank at 4% simple interest per year. How much money will there be after 1 year (in ₹)?
  18. 18.Priya keeps ₹1300 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 5 years?
  19. 19.₹300 earns 7% simple interest per year. In how many years will the interest be ₹63?
  20. 20.₹1100 earns 10% simple interest per year. In how many years will the interest be ₹550?
  21. 21.Ananya has ₹1900. In a piggy bank it stays ₹1900. In a bank at 4% simple interest per year, how many rupees more will Ananya have after 2 years?
  22. 22.₹1900 earns 4% simple interest per year. In how many years will the interest be ₹76?
  23. 23.Rohan has ₹1900. In a piggy bank it stays ₹1900. In a bank at 5% simple interest per year, how many rupees more will Rohan have after 5 years?
  24. 24.Meera keeps ₹800 in a bank at 7% simple interest per year. How much money will there be after 2 years (in ₹)?
  25. 25.Vivaan keeps ₹1900 in a bank at 4% simple interest per year. How much money will there be after 5 years (in ₹)?
  26. 26.Ananya has ₹1000. In a piggy bank it stays ₹1000. In a bank at 2% simple interest per year, how many rupees more will Ananya have after 3 years?
  27. 27.Sneha has ₹100. In a piggy bank it stays ₹100. In a bank at 9% simple interest per year, how many rupees more will Sneha have after 3 years?
  28. 28.₹1200 earns 2% simple interest per year. In how many years will the interest be ₹24?
  29. 29.Zoya keeps ₹600 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 3 years?
  30. 30.Lakshmi keeps ₹400 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 5 years?
  31. 31.Ishaan has ₹1000. In a piggy bank it stays ₹1000. In a bank at 2% simple interest per year, how many rupees more will Ishaan have after 4 years?
  32. 32.Sneha keeps ₹900 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 2 years?
  33. 33.Lakshmi keeps ₹1600 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 3 years?
  34. 34.₹1100 earns 3% simple interest per year. In how many years will the interest be ₹33?
  35. 35.Isha has ₹1900. In a piggy bank it stays ₹1900. In a bank at 4% simple interest per year, how many rupees more will Isha have after 3 years?
  36. 36.Ishaan keeps ₹700 in a bank. After 4 years the simple interest is ₹196. What is the rate of interest per year (in %)?
  37. 37.Arjun keeps ₹400 in a bank. After 3 years the simple interest is ₹108. What is the rate of interest per year (in %)?
  38. 38.Ishaan keeps ₹300 in a bank at 5% simple interest per year. How much money will there be after 1 year (in ₹)?
  39. 39.₹300 earns 9% simple interest per year. In how many years will the interest be ₹81?
  40. 40.Arjun keeps ₹100 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 5 years?

Answer key

  1. 8
  2. 42
  3. 42
  4. 1
  5. 162
  6. 2
  7. 7
  8. 90
  9. 10
  10. 640
  11. 336
  12. 18
  13. 2
  14. 1000
  15. 3
  16. 5
  17. 1040
  18. 130
  19. 3
  20. 5
  21. 152
  22. 1
  23. 475
  24. 912
  25. 2280
  26. 60
  27. 27
  28. 1
  29. 180
  30. 40
  31. 80
  32. 72
  33. 432
  34. 1
  35. 228
  36. 7
  37. 9
  38. 315
  39. 3
  40. 10

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