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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 219 · 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.Riya keeps ₹1700 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 4 years?
  2. 2.Ishaan keeps ₹2000 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 5 years?
  3. 3.Priya keeps ₹900 in a bank. After 4 years the simple interest is ₹288. What is the rate of interest per year (in %)?
  4. 4.Diya keeps ₹1600 in a bank. After 2 years the simple interest is ₹128. What is the rate of interest per year (in %)?
  5. 5.Kavya keeps ₹500 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 3 years?
  6. 6.₹800 earns 5% simple interest per year. In how many years will the interest be ₹200?
  7. 7.Pooja keeps ₹500 in a bank. After 1 year the simple interest is ₹50. What is the rate of interest per year (in %)?
  8. 8.Aarav keeps ₹200 in a bank at 10% simple interest per year. How much money will there be after 4 years (in ₹)?
  9. 9.Ananya keeps ₹1200 in a bank at 2% simple interest per year. How much money will there be after 1 year (in ₹)?
  10. 10.₹1500 earns 4% simple interest per year. In how many years will the interest be ₹240?
  11. 11.Ananya has ₹1000. In a piggy bank it stays ₹1000. In a bank at 8% simple interest per year, how many rupees more will Ananya have after 4 years?
  12. 12.Lakshmi keeps ₹2000 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 2 years?
  13. 13.₹1600 earns 5% simple interest per year. In how many years will the interest be ₹400?
  14. 14.Joseph keeps ₹200 in a bank at 4% simple interest per year. How much money will there be after 3 years (in ₹)?
  15. 15.Sneha keeps ₹1200 in a bank at 6% simple interest per year. How much money will there be after 1 year (in ₹)?
  16. 16.Vivaan keeps ₹400 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 4 years?
  17. 17.Farhan keeps ₹1600 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 1 year?
  18. 18.Nisha keeps ₹200 in a bank. After 2 years the simple interest is ₹20. What is the rate of interest per year (in %)?
  19. 19.Meera has ₹900. In a piggy bank it stays ₹900. In a bank at 5% simple interest per year, how many rupees more will Meera have after 1 year?
  20. 20.₹1400 earns 2% simple interest per year. In how many years will the interest be ₹28?
  21. 21.Saanvi keeps ₹1100 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 3 years?
  22. 22.₹900 earns 2% simple interest per year. In how many years will the interest be ₹72?
  23. 23.₹2000 earns 9% simple interest per year. In how many years will the interest be ₹360?
  24. 24.Meera keeps ₹1600 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 1 year?
  25. 25.Rahul keeps ₹1100 in a bank at 2% simple interest per year. How much money will there be after 1 year (in ₹)?
  26. 26.₹1700 earns 10% simple interest per year. In how many years will the interest be ₹170?
  27. 27.Kabir keeps ₹800 in a bank at 4% simple interest per year. How much money will there be after 1 year (in ₹)?
  28. 28.Meera keeps ₹800 in a bank. After 1 year the simple interest is ₹48. What is the rate of interest per year (in %)?
  29. 29.Ishaan keeps ₹1100 in a bank at 4% simple interest per year. How much money will there be after 2 years (in ₹)?
  30. 30.₹1400 earns 4% simple interest per year. In how many years will the interest be ₹168?
  31. 31.Vivaan keeps ₹500 in a bank. After 5 years the simple interest is ₹75. What is the rate of interest per year (in %)?
  32. 32.₹1000 earns 6% simple interest per year. In how many years will the interest be ₹60?
  33. 33.Rahul keeps ₹1000 in a bank at 10% simple interest per year. How much money will there be after 1 year (in ₹)?
  34. 34.₹1500 earns 10% simple interest per year. In how many years will the interest be ₹600?
  35. 35.Rahul keeps ₹1100 in a bank at 6% simple interest per year. How much money will there be after 4 years (in ₹)?
  36. 36.Rahul keeps ₹600 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 1 year?
  37. 37.Manav keeps ₹1700 in a bank at 6% simple interest per year. How much money will there be after 2 years (in ₹)?
  38. 38.₹400 earns 3% simple interest per year. In how many years will the interest be ₹24?
  39. 39.₹2000 earns 4% simple interest per year. In how many years will the interest be ₹320?
  40. 40.₹2000 earns 3% simple interest per year. In how many years will the interest be ₹240?

Answer key

  1. 272
  2. 1000
  3. 8
  4. 4
  5. 60
  6. 5
  7. 10
  8. 280
  9. 1224
  10. 4
  11. 320
  12. 80
  13. 5
  14. 224
  15. 1272
  16. 80
  17. 80
  18. 5
  19. 45
  20. 1
  21. 198
  22. 4
  23. 2
  24. 64
  25. 1122
  26. 1
  27. 832
  28. 6
  29. 1188
  30. 3
  31. 3
  32. 1
  33. 1100
  34. 4
  35. 1364
  36. 24
  37. 1904
  38. 2
  39. 4
  40. 4

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