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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 275 · 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.₹600 earns 4% simple interest per year. In how many years will the interest be ₹24?
  2. 2.Meera keeps ₹100 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 2 years?
  3. 3.Zoya keeps ₹200 in a bank at 10% simple interest per year. How much money will there be after 1 year (in ₹)?
  4. 4.₹1200 earns 7% simple interest per year. In how many years will the interest be ₹252?
  5. 5.Rahul keeps ₹700 in a bank. After 1 year the simple interest is ₹21. What is the rate of interest per year (in %)?
  6. 6.Riya has ₹300. In a piggy bank it stays ₹300. In a bank at 2% simple interest per year, how many rupees more will Riya have after 3 years?
  7. 7.Nisha keeps ₹1100 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 3 years?
  8. 8.Ishaan keeps ₹1500 in a bank at 7% simple interest per year. How much money will there be after 5 years (in ₹)?
  9. 9.Rahul keeps ₹600 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 2 years?
  10. 10.Farhan keeps ₹400 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 1 year?
  11. 11.Farhan keeps ₹1800 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 1 year?
  12. 12.Tara has ₹200. In a piggy bank it stays ₹200. In a bank at 2% simple interest per year, how many rupees more will Tara have after 4 years?
  13. 13.Sneha keeps ₹1600 in a bank at 3% simple interest per year. How much money will there be after 1 year (in ₹)?
  14. 14.Arjun keeps ₹300 in a bank at 5% simple interest per year. How much money will there be after 3 years (in ₹)?
  15. 15.Manav keeps ₹1500 in a bank. After 5 years the simple interest is ₹450. What is the rate of interest per year (in %)?
  16. 16.Zoya keeps ₹500 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 1 year?
  17. 17.Nisha keeps ₹200 in a bank at 5% simple interest per year. How much money will there be after 2 years (in ₹)?
  18. 18.₹1700 earns 6% simple interest per year. In how many years will the interest be ₹306?
  19. 19.Aarav keeps ₹300 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 1 year?
  20. 20.₹900 earns 7% simple interest per year. In how many years will the interest be ₹315?
  21. 21.Tara keeps ₹1400 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 2 years?
  22. 22.Vivaan has ₹800. In a piggy bank it stays ₹800. In a bank at 7% simple interest per year, how many rupees more will Vivaan have after 3 years?
  23. 23.Aarav keeps ₹1600 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 1 year?
  24. 24.₹1300 earns 2% simple interest per year. In how many years will the interest be ₹26?
  25. 25.Riya has ₹1200. In a piggy bank it stays ₹1200. In a bank at 3% simple interest per year, how many rupees more will Riya have after 2 years?
  26. 26.₹2000 earns 8% simple interest per year. In how many years will the interest be ₹160?
  27. 27.Rohan keeps ₹1200 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 5 years?
  28. 28.Meera keeps ₹100 in a bank. After 3 years the simple interest is ₹6. What is the rate of interest per year (in %)?
  29. 29.Vivaan has ₹1500. In a piggy bank it stays ₹1500. In a bank at 7% simple interest per year, how many rupees more will Vivaan have after 4 years?
  30. 30.₹1600 earns 9% simple interest per year. In how many years will the interest be ₹288?
  31. 31.Riya keeps ₹300 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 2 years?
  32. 32.₹1100 earns 5% simple interest per year. In how many years will the interest be ₹275?
  33. 33.Lakshmi keeps ₹300 in a bank. After 1 year the simple interest is ₹6. What is the rate of interest per year (in %)?
  34. 34.Aarav keeps ₹1200 in a bank. After 4 years the simple interest is ₹288. What is the rate of interest per year (in %)?
  35. 35.₹900 earns 3% simple interest per year. In how many years will the interest be ₹135?
  36. 36.Diya keeps ₹700 in a bank. After 2 years the simple interest is ₹126. What is the rate of interest per year (in %)?
  37. 37.Diya keeps ₹1100 in a bank at 10% simple interest per year. How much money will there be after 4 years (in ₹)?
  38. 38.Rohan keeps ₹1900 in a bank. After 4 years the simple interest is ₹684. What is the rate of interest per year (in %)?
  39. 39.Lakshmi keeps ₹400 in a bank at 6% simple interest per year. How much money will there be after 1 year (in ₹)?
  40. 40.₹1600 earns 2% simple interest per year. In how many years will the interest be ₹64?

Answer key

  1. 1
  2. 4
  3. 220
  4. 3
  5. 3
  6. 18
  7. 330
  8. 2025
  9. 36
  10. 8
  11. 90
  12. 16
  13. 1648
  14. 345
  15. 6
  16. 15
  17. 220
  18. 3
  19. 24
  20. 5
  21. 140
  22. 168
  23. 80
  24. 1
  25. 72
  26. 1
  27. 540
  28. 2
  29. 420
  30. 2
  31. 42
  32. 5
  33. 2
  34. 6
  35. 5
  36. 9
  37. 1540
  38. 9
  39. 424
  40. 2

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