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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 170 · 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.Zoya has ₹900. In a piggy bank it stays ₹900. In a bank at 2% simple interest per year, how many rupees more will Zoya have after 3 years?
  2. 2.Tara keeps ₹1300 in a bank at 6% simple interest per year. How much money will there be after 5 years (in ₹)?
  3. 3.Dev keeps ₹1100 in a bank. After 3 years the simple interest is ₹165. What is the rate of interest per year (in %)?
  4. 4.Vivaan has ₹1700. In a piggy bank it stays ₹1700. In a bank at 6% simple interest per year, how many rupees more will Vivaan have after 4 years?
  5. 5.Karan keeps ₹1600 in a bank. After 5 years the simple interest is ₹720. What is the rate of interest per year (in %)?
  6. 6.Sneha keeps ₹200 in a bank. After 5 years the simple interest is ₹20. What is the rate of interest per year (in %)?
  7. 7.Vivaan keeps ₹300 in a bank. After 1 year the simple interest is ₹30. What is the rate of interest per year (in %)?
  8. 8.Aditya keeps ₹2000 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 4 years?
  9. 9.₹2000 earns 6% simple interest per year. In how many years will the interest be ₹120?
  10. 10.Priya keeps ₹1000 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 3 years?
  11. 11.₹1700 earns 10% simple interest per year. In how many years will the interest be ₹340?
  12. 12.₹1800 earns 10% simple interest per year. In how many years will the interest be ₹900?
  13. 13.Kavya keeps ₹500 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 5 years?
  14. 14.Meera keeps ₹300 in a bank at 3% simple interest per year. How much money will there be after 2 years (in ₹)?
  15. 15.Meera keeps ₹600 in a bank at 2% simple interest per year. How much money will there be after 5 years (in ₹)?
  16. 16.Rohan has ₹200. In a piggy bank it stays ₹200. In a bank at 3% simple interest per year, how many rupees more will Rohan have after 1 year?
  17. 17.Saanvi keeps ₹1600 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 1 year?
  18. 18.Pooja keeps ₹1500 in a bank. After 3 years the simple interest is ₹180. What is the rate of interest per year (in %)?
  19. 19.₹800 earns 3% simple interest per year. In how many years will the interest be ₹72?
  20. 20.₹600 earns 3% simple interest per year. In how many years will the interest be ₹18?
  21. 21.Diya has ₹1100. In a piggy bank it stays ₹1100. In a bank at 4% simple interest per year, how many rupees more will Diya have after 1 year?
  22. 22.Nisha has ₹900. In a piggy bank it stays ₹900. In a bank at 4% simple interest per year, how many rupees more will Nisha have after 1 year?
  23. 23.Aditya has ₹1500. In a piggy bank it stays ₹1500. In a bank at 7% simple interest per year, how many rupees more will Aditya have after 2 years?
  24. 24.Ishaan keeps ₹1900 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 5 years?
  25. 25.Meera keeps ₹900 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 2 years?
  26. 26.Aarav keeps ₹600 in a bank at 4% simple interest per year. How much money will there be after 2 years (in ₹)?
  27. 27.Riya keeps ₹800 in a bank. After 4 years the simple interest is ₹64. What is the rate of interest per year (in %)?
  28. 28.Meera keeps ₹600 in a bank. After 5 years the simple interest is ₹270. What is the rate of interest per year (in %)?
  29. 29.Gurpreet keeps ₹1200 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 1 year?
  30. 30.Vivaan keeps ₹700 in a bank. After 2 years the simple interest is ₹28. What is the rate of interest per year (in %)?
  31. 31.₹400 earns 8% simple interest per year. In how many years will the interest be ₹64?
  32. 32.Kavya keeps ₹500 in a bank. After 2 years the simple interest is ₹50. What is the rate of interest per year (in %)?
  33. 33.Dev keeps ₹2000 in a bank. After 2 years the simple interest is ₹160. What is the rate of interest per year (in %)?
  34. 34.Rahul keeps ₹1500 in a bank. After 1 year the simple interest is ₹135. What is the rate of interest per year (in %)?
  35. 35.Gurpreet keeps ₹1300 in a bank. After 4 years the simple interest is ₹104. What is the rate of interest per year (in %)?
  36. 36.Isha keeps ₹700 in a bank. After 1 year the simple interest is ₹42. What is the rate of interest per year (in %)?
  37. 37.Ishaan keeps ₹100 in a bank. After 4 years the simple interest is ₹28. What is the rate of interest per year (in %)?
  38. 38.Saanvi keeps ₹400 in a bank. After 5 years the simple interest is ₹160. What is the rate of interest per year (in %)?
  39. 39.₹1000 earns 3% simple interest per year. In how many years will the interest be ₹30?
  40. 40.Dev keeps ₹500 in a bank at 6% simple interest per year. How much money will there be after 3 years (in ₹)?

Answer key

  1. 54
  2. 1690
  3. 5
  4. 408
  5. 9
  6. 2
  7. 10
  8. 320
  9. 1
  10. 60
  11. 2
  12. 5
  13. 50
  14. 318
  15. 660
  16. 6
  17. 128
  18. 4
  19. 3
  20. 1
  21. 44
  22. 36
  23. 210
  24. 380
  25. 36
  26. 648
  27. 2
  28. 9
  29. 120
  30. 2
  31. 2
  32. 5
  33. 4
  34. 9
  35. 2
  36. 6
  37. 7
  38. 8
  39. 1
  40. 590

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