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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 16 · 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.Rahul has ₹800. In a piggy bank it stays ₹800. In a bank at 2% simple interest per year, how many rupees more will Rahul have after 2 years?
  2. 2.Riya keeps ₹1200 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 3 years?
  3. 3.₹400 earns 8% simple interest per year. In how many years will the interest be ₹96?
  4. 4.Pooja keeps ₹200 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 5 years?
  5. 5.Isha keeps ₹2000 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 1 year?
  6. 6.₹1700 earns 5% simple interest per year. In how many years will the interest be ₹255?
  7. 7.Rohan keeps ₹100 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 2 years?
  8. 8.Priya has ₹1400. In a piggy bank it stays ₹1400. In a bank at 6% simple interest per year, how many rupees more will Priya have after 1 year?
  9. 9.Aarav keeps ₹1500 in a bank at 8% simple interest per year. How much money will there be after 4 years (in ₹)?
  10. 10.₹400 earns 6% simple interest per year. In how many years will the interest be ₹24?
  11. 11.₹1500 earns 2% simple interest per year. In how many years will the interest be ₹90?
  12. 12.Aditya keeps ₹400 in a bank. After 1 year the simple interest is ₹20. What is the rate of interest per year (in %)?
  13. 13.Rohan has ₹300. In a piggy bank it stays ₹300. In a bank at 9% simple interest per year, how many rupees more will Rohan have after 2 years?
  14. 14.Ananya keeps ₹1100 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 4 years?
  15. 15.Rohan keeps ₹1600 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 2 years?
  16. 16.₹1400 earns 4% simple interest per year. In how many years will the interest be ₹56?
  17. 17.Tara keeps ₹1700 in a bank. After 1 year the simple interest is ₹34. What is the rate of interest per year (in %)?
  18. 18.₹1400 earns 9% simple interest per year. In how many years will the interest be ₹126?
  19. 19.Tara keeps ₹300 in a bank at 3% simple interest per year. How much money will there be after 3 years (in ₹)?
  20. 20.Nisha keeps ₹1900 in a bank. After 1 year the simple interest is ₹114. What is the rate of interest per year (in %)?
  21. 21.Kabir keeps ₹600 in a bank at 10% simple interest per year. How much money will there be after 5 years (in ₹)?
  22. 22.Aditya keeps ₹400 in a bank at 7% simple interest per year. How much money will there be after 4 years (in ₹)?
  23. 23.Farhan keeps ₹1600 in a bank. After 4 years the simple interest is ₹448. What is the rate of interest per year (in %)?
  24. 24.Isha keeps ₹1500 in a bank. After 1 year the simple interest is ₹60. What is the rate of interest per year (in %)?
  25. 25.Lakshmi has ₹900. In a piggy bank it stays ₹900. In a bank at 6% simple interest per year, how many rupees more will Lakshmi have after 2 years?
  26. 26.Vivaan keeps ₹300 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 1 year?
  27. 27.Aditya keeps ₹700 in a bank at 2% simple interest per year. How much money will there be after 5 years (in ₹)?
  28. 28.Isha keeps ₹100 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 5 years?
  29. 29.Saanvi keeps ₹600 in a bank. After 1 year the simple interest is ₹18. What is the rate of interest per year (in %)?
  30. 30.Kabir keeps ₹700 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 1 year?
  31. 31.Vivaan keeps ₹300 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 5 years?
  32. 32.Kavya keeps ₹1100 in a bank. After 3 years the simple interest is ₹66. What is the rate of interest per year (in %)?
  33. 33.Rohan has ₹1500. In a piggy bank it stays ₹1500. In a bank at 9% simple interest per year, how many rupees more will Rohan have after 5 years?
  34. 34.Meera keeps ₹1000 in a bank at 5% simple interest per year. How much money will there be after 4 years (in ₹)?
  35. 35.Aarav keeps ₹400 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 1 year?
  36. 36.Rohan keeps ₹1700 in a bank at 10% simple interest per year. How much money will there be after 2 years (in ₹)?
  37. 37.Gurpreet keeps ₹1400 in a bank. After 5 years the simple interest is ₹630. What is the rate of interest per year (in %)?
  38. 38.Priya keeps ₹1300 in a bank. After 3 years the simple interest is ₹312. What is the rate of interest per year (in %)?
  39. 39.Lakshmi keeps ₹1800 in a bank at 5% simple interest per year. How much money will there be after 1 year (in ₹)?
  40. 40.Kabir keeps ₹1900 in a bank. After 2 years the simple interest is ₹380. What is the rate of interest per year (in %)?

Answer key

  1. 32
  2. 252
  3. 3
  4. 30
  5. 80
  6. 3
  7. 10
  8. 84
  9. 1980
  10. 1
  11. 3
  12. 5
  13. 54
  14. 88
  15. 256
  16. 1
  17. 2
  18. 1
  19. 327
  20. 6
  21. 900
  22. 512
  23. 7
  24. 4
  25. 108
  26. 18
  27. 770
  28. 15
  29. 3
  30. 63
  31. 150
  32. 2
  33. 675
  34. 1200
  35. 28
  36. 2040
  37. 9
  38. 8
  39. 1890
  40. 10

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