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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 214 · 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.₹1700 earns 4% simple interest per year. In how many years will the interest be ₹340?
  2. 2.Isha has ₹1900. In a piggy bank it stays ₹1900. In a bank at 2% simple interest per year, how many rupees more will Isha have after 4 years?
  3. 3.Ishaan keeps ₹200 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 1 year?
  4. 4.Tara has ₹1200. In a piggy bank it stays ₹1200. In a bank at 7% simple interest per year, how many rupees more will Tara have after 1 year?
  5. 5.Saanvi has ₹1600. In a piggy bank it stays ₹1600. In a bank at 8% simple interest per year, how many rupees more will Saanvi have after 1 year?
  6. 6.Saanvi keeps ₹800 in a bank at 2% simple interest per year. How much money will there be after 1 year (in ₹)?
  7. 7.Sneha has ₹1900. In a piggy bank it stays ₹1900. In a bank at 8% simple interest per year, how many rupees more will Sneha have after 4 years?
  8. 8.Meera keeps ₹800 in a bank. After 5 years the simple interest is ₹200. What is the rate of interest per year (in %)?
  9. 9.Arjun keeps ₹1700 in a bank at 4% simple interest per year. How much money will there be after 1 year (in ₹)?
  10. 10.₹400 earns 9% simple interest per year. In how many years will the interest be ₹180?
  11. 11.Arjun keeps ₹1700 in a bank at 7% simple interest per year. How much money will there be after 4 years (in ₹)?
  12. 12.₹1900 earns 6% simple interest per year. In how many years will the interest be ₹114?
  13. 13.Kabir has ₹300. In a piggy bank it stays ₹300. In a bank at 3% simple interest per year, how many rupees more will Kabir have after 2 years?
  14. 14.₹500 earns 2% simple interest per year. In how many years will the interest be ₹20?
  15. 15.Lakshmi keeps ₹100 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 2 years?
  16. 16.Nisha keeps ₹1800 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 2 years?
  17. 17.Rahul keeps ₹500 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 3 years?
  18. 18.₹500 earns 2% simple interest per year. In how many years will the interest be ₹30?
  19. 19.Ananya keeps ₹1600 in a bank at 8% simple interest per year. How much money will there be after 1 year (in ₹)?
  20. 20.Manav has ₹500. In a piggy bank it stays ₹500. In a bank at 7% simple interest per year, how many rupees more will Manav have after 1 year?
  21. 21.Isha keeps ₹1400 in a bank. After 1 year the simple interest is ₹70. What is the rate of interest per year (in %)?
  22. 22.Aarav keeps ₹1900 in a bank at 7% simple interest per year. How much money will there be after 5 years (in ₹)?
  23. 23.₹500 earns 8% simple interest per year. In how many years will the interest be ₹200?
  24. 24.Aarav has ₹200. In a piggy bank it stays ₹200. In a bank at 8% simple interest per year, how many rupees more will Aarav have after 5 years?
  25. 25.₹800 earns 2% simple interest per year. In how many years will the interest be ₹80?
  26. 26.₹500 earns 7% simple interest per year. In how many years will the interest be ₹140?
  27. 27.Meera keeps ₹1000 in a bank. After 2 years the simple interest is ₹180. What is the rate of interest per year (in %)?
  28. 28.Ishaan keeps ₹700 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 4 years?
  29. 29.Ananya keeps ₹200 in a bank at 10% simple interest per year. How much money will there be after 2 years (in ₹)?
  30. 30.Gurpreet keeps ₹300 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 3 years?
  31. 31.Diya keeps ₹1500 in a bank. After 1 year the simple interest is ₹75. What is the rate of interest per year (in %)?
  32. 32.Nisha keeps ₹1100 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 4 years?
  33. 33.₹400 earns 10% simple interest per year. In how many years will the interest be ₹120?
  34. 34.Priya keeps ₹1100 in a bank at 5% simple interest per year. How much money will there be after 2 years (in ₹)?
  35. 35.₹1300 earns 7% simple interest per year. In how many years will the interest be ₹273?
  36. 36.Joseph keeps ₹1500 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 5 years?
  37. 37.Sneha keeps ₹1600 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 1 year?
  38. 38.Arjun keeps ₹1600 in a bank at 4% simple interest per year. How much money will there be after 1 year (in ₹)?
  39. 39.Tara keeps ₹1400 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 5 years?
  40. 40.Sneha keeps ₹100 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 1 year?

Answer key

  1. 5
  2. 152
  3. 18
  4. 84
  5. 128
  6. 816
  7. 608
  8. 5
  9. 1768
  10. 5
  11. 2176
  12. 1
  13. 18
  14. 2
  15. 4
  16. 288
  17. 90
  18. 3
  19. 1728
  20. 35
  21. 5
  22. 2565
  23. 5
  24. 80
  25. 5
  26. 4
  27. 9
  28. 224
  29. 240
  30. 36
  31. 5
  32. 352
  33. 3
  34. 1210
  35. 3
  36. 150
  37. 80
  38. 1664
  39. 210
  40. 2

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