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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 117 · 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.₹800 earns 8% simple interest per year. In how many years will the interest be ₹128?
  2. 2.₹500 earns 6% simple interest per year. In how many years will the interest be ₹30?
  3. 3.Diya has ₹500. In a piggy bank it stays ₹500. In a bank at 4% simple interest per year, how many rupees more will Diya have after 1 year?
  4. 4.₹800 earns 7% simple interest per year. In how many years will the interest be ₹280?
  5. 5.Ananya keeps ₹1200 in a bank. After 1 year the simple interest is ₹96. What is the rate of interest per year (in %)?
  6. 6.Saanvi keeps ₹2000 in a bank. After 4 years the simple interest is ₹480. What is the rate of interest per year (in %)?
  7. 7.Manav keeps ₹1300 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 1 year?
  8. 8.Aarav keeps ₹1800 in a bank at 5% simple interest per year. How much money will there be after 2 years (in ₹)?
  9. 9.Meera keeps ₹1300 in a bank. After 2 years the simple interest is ₹104. What is the rate of interest per year (in %)?
  10. 10.Vivaan keeps ₹900 in a bank at 5% simple interest per year. How much money will there be after 2 years (in ₹)?
  11. 11.Tara keeps ₹300 in a bank. After 5 years the simple interest is ₹45. What is the rate of interest per year (in %)?
  12. 12.Rahul keeps ₹900 in a bank. After 5 years the simple interest is ₹90. What is the rate of interest per year (in %)?
  13. 13.Kabir keeps ₹1200 in a bank at 2% simple interest per year. How much money will there be after 3 years (in ₹)?
  14. 14.Aarav keeps ₹900 in a bank. After 1 year the simple interest is ₹90. What is the rate of interest per year (in %)?
  15. 15.Ananya keeps ₹200 in a bank at 5% simple interest per year. How much money will there be after 2 years (in ₹)?
  16. 16.Priya keeps ₹200 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 2 years?
  17. 17.Diya keeps ₹1700 in a bank. After 5 years the simple interest is ₹850. What is the rate of interest per year (in %)?
  18. 18.₹1000 earns 7% simple interest per year. In how many years will the interest be ₹210?
  19. 19.Saanvi keeps ₹100 in a bank at 3% simple interest per year. How much money will there be after 4 years (in ₹)?
  20. 20.Dev has ₹2000. In a piggy bank it stays ₹2000. In a bank at 2% simple interest per year, how many rupees more will Dev have after 5 years?
  21. 21.Arjun has ₹600. In a piggy bank it stays ₹600. In a bank at 3% simple interest per year, how many rupees more will Arjun have after 2 years?
  22. 22.Manav keeps ₹1900 in a bank. After 2 years the simple interest is ₹342. What is the rate of interest per year (in %)?
  23. 23.Ishaan keeps ₹1300 in a bank. After 1 year the simple interest is ₹130. What is the rate of interest per year (in %)?
  24. 24.Ishaan has ₹2000. In a piggy bank it stays ₹2000. In a bank at 9% simple interest per year, how many rupees more will Ishaan have after 1 year?
  25. 25.Dev keeps ₹100 in a bank at 8% simple interest per year. How much money will there be after 3 years (in ₹)?
  26. 26.Vivaan keeps ₹2000 in a bank at 6% simple interest per year. How much money will there be after 5 years (in ₹)?
  27. 27.Vivaan keeps ₹800 in a bank at 9% simple interest per year. How much money will there be after 1 year (in ₹)?
  28. 28.Karan has ₹1400. In a piggy bank it stays ₹1400. In a bank at 8% simple interest per year, how many rupees more will Karan have after 2 years?
  29. 29.Arjun keeps ₹100 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 3 years?
  30. 30.Kabir keeps ₹2000 in a bank. After 2 years the simple interest is ₹240. What is the rate of interest per year (in %)?
  31. 31.₹200 earns 2% simple interest per year. In how many years will the interest be ₹4?
  32. 32.Lakshmi keeps ₹100 in a bank. After 3 years the simple interest is ₹24. What is the rate of interest per year (in %)?
  33. 33.Karan has ₹600. In a piggy bank it stays ₹600. In a bank at 6% simple interest per year, how many rupees more will Karan have after 3 years?
  34. 34.Rahul keeps ₹500 in a bank. After 2 years the simple interest is ₹100. What is the rate of interest per year (in %)?
  35. 35.Tara keeps ₹1000 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 4 years?
  36. 36.₹500 earns 4% simple interest per year. In how many years will the interest be ₹20?
  37. 37.Pooja keeps ₹700 in a bank. After 1 year the simple interest is ₹56. What is the rate of interest per year (in %)?
  38. 38.Aarav keeps ₹1700 in a bank. After 2 years the simple interest is ₹204. What is the rate of interest per year (in %)?
  39. 39.Priya keeps ₹1000 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 1 year?
  40. 40.Kavya keeps ₹800 in a bank at 9% simple interest per year. How much money will there be after 2 years (in ₹)?

Answer key

  1. 2
  2. 1
  3. 20
  4. 5
  5. 8
  6. 6
  7. 39
  8. 1980
  9. 4
  10. 990
  11. 3
  12. 2
  13. 1272
  14. 10
  15. 220
  16. 20
  17. 10
  18. 3
  19. 112
  20. 200
  21. 36
  22. 9
  23. 10
  24. 180
  25. 124
  26. 2600
  27. 872
  28. 224
  29. 15
  30. 6
  31. 1
  32. 8
  33. 108
  34. 10
  35. 400
  36. 1
  37. 8
  38. 6
  39. 100
  40. 944

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