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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 134 · 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 ₹1900 in a bank. After 3 years the simple interest is ₹285. What is the rate of interest per year (in %)?
  2. 2.₹500 earns 10% simple interest per year. In how many years will the interest be ₹50?
  3. 3.Joseph keeps ₹400 in a bank. After 4 years the simple interest is ₹64. What is the rate of interest per year (in %)?
  4. 4.Lakshmi keeps ₹1600 in a bank at 7% simple interest per year. How much money will there be after 3 years (in ₹)?
  5. 5.Saanvi keeps ₹1600 in a bank. After 2 years the simple interest is ₹224. What is the rate of interest per year (in %)?
  6. 6.₹1800 earns 7% simple interest per year. In how many years will the interest be ₹630?
  7. 7.Rahul has ₹1400. In a piggy bank it stays ₹1400. In a bank at 4% simple interest per year, how many rupees more will Rahul have after 2 years?
  8. 8.Vivaan keeps ₹800 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 3 years?
  9. 9.Aarav keeps ₹100 in a bank. After 3 years the simple interest is ₹18. What is the rate of interest per year (in %)?
  10. 10.Lakshmi keeps ₹1000 in a bank at 6% simple interest per year. How much money will there be after 4 years (in ₹)?
  11. 11.Rahul has ₹1600. In a piggy bank it stays ₹1600. In a bank at 5% simple interest per year, how many rupees more will Rahul have after 2 years?
  12. 12.Vivaan keeps ₹1000 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 2 years?
  13. 13.Zoya keeps ₹1400 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 1 year?
  14. 14.Karan has ₹200. In a piggy bank it stays ₹200. In a bank at 7% simple interest per year, how many rupees more will Karan have after 4 years?
  15. 15.Joseph has ₹1000. In a piggy bank it stays ₹1000. In a bank at 8% simple interest per year, how many rupees more will Joseph have after 1 year?
  16. 16.Kavya keeps ₹1800 in a bank. After 2 years the simple interest is ₹72. What is the rate of interest per year (in %)?
  17. 17.Tara has ₹2000. In a piggy bank it stays ₹2000. In a bank at 3% simple interest per year, how many rupees more will Tara have after 1 year?
  18. 18.Karan has ₹1200. In a piggy bank it stays ₹1200. In a bank at 6% simple interest per year, how many rupees more will Karan have after 3 years?
  19. 19.Isha keeps ₹400 in a bank at 9% simple interest per year. How much money will there be after 1 year (in ₹)?
  20. 20.₹2000 earns 5% simple interest per year. In how many years will the interest be ₹200?
  21. 21.Joseph keeps ₹100 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 1 year?
  22. 22.Vivaan keeps ₹300 in a bank at 10% simple interest per year. How much money will there be after 2 years (in ₹)?
  23. 23.Zoya has ₹400. In a piggy bank it stays ₹400. In a bank at 8% simple interest per year, how many rupees more will Zoya have after 2 years?
  24. 24.₹300 earns 6% simple interest per year. In how many years will the interest be ₹90?
  25. 25.Karan keeps ₹1900 in a bank at 2% simple interest per year. How much money will there be after 2 years (in ₹)?
  26. 26.Zoya keeps ₹600 in a bank. After 1 year the simple interest is ₹36. What is the rate of interest per year (in %)?
  27. 27.Zoya keeps ₹1200 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 4 years?
  28. 28.Manav keeps ₹200 in a bank at 2% simple interest per year. How much money will there be after 3 years (in ₹)?
  29. 29.₹500 earns 4% simple interest per year. In how many years will the interest be ₹20?
  30. 30.Vivaan keeps ₹200 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 4 years?
  31. 31.₹800 earns 2% simple interest per year. In how many years will the interest be ₹16?
  32. 32.Rohan keeps ₹1600 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 3 years?
  33. 33.Priya keeps ₹1000 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 4 years?
  34. 34.Arjun keeps ₹500 in a bank at 6% simple interest per year. How much money will there be after 2 years (in ₹)?
  35. 35.Aditya keeps ₹800 in a bank. After 2 years the simple interest is ₹80. What is the rate of interest per year (in %)?
  36. 36.Joseph keeps ₹1700 in a bank at 7% simple interest per year. How much money will there be after 3 years (in ₹)?
  37. 37.₹400 earns 5% simple interest per year. In how many years will the interest be ₹80?
  38. 38.Manav keeps ₹800 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 1 year?
  39. 39.Ishaan keeps ₹900 in a bank at 2% simple interest per year. How much money will there be after 4 years (in ₹)?
  40. 40.Farhan has ₹300. In a piggy bank it stays ₹300. In a bank at 2% simple interest per year, how many rupees more will Farhan have after 2 years?

Answer key

  1. 5
  2. 1
  3. 4
  4. 1936
  5. 7
  6. 5
  7. 112
  8. 240
  9. 6
  10. 1240
  11. 160
  12. 80
  13. 42
  14. 56
  15. 80
  16. 2
  17. 60
  18. 216
  19. 436
  20. 2
  21. 7
  22. 360
  23. 64
  24. 5
  25. 1976
  26. 6
  27. 336
  28. 212
  29. 1
  30. 56
  31. 1
  32. 240
  33. 280
  34. 560
  35. 5
  36. 2057
  37. 4
  38. 80
  39. 972
  40. 12

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