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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 76 · 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.Riya keeps ₹1900 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 3 years?
  2. 2.₹1300 earns 4% simple interest per year. In how many years will the interest be ₹52?
  3. 3.Saanvi has ₹1600. In a piggy bank it stays ₹1600. In a bank at 4% simple interest per year, how many rupees more will Saanvi have after 2 years?
  4. 4.₹600 earns 3% simple interest per year. In how many years will the interest be ₹54?
  5. 5.Rohan keeps ₹100 in a bank. After 3 years the simple interest is ₹21. What is the rate of interest per year (in %)?
  6. 6.Diya keeps ₹1900 in a bank. After 5 years the simple interest is ₹570. What is the rate of interest per year (in %)?
  7. 7.Rohan keeps ₹300 in a bank at 2% simple interest per year. How much money will there be after 1 year (in ₹)?
  8. 8.Manav has ₹1400. In a piggy bank it stays ₹1400. In a bank at 9% simple interest per year, how many rupees more will Manav have after 3 years?
  9. 9.Arjun keeps ₹1000 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 2 years?
  10. 10.Gurpreet has ₹1500. In a piggy bank it stays ₹1500. In a bank at 3% simple interest per year, how many rupees more will Gurpreet have after 1 year?
  11. 11.Meera keeps ₹300 in a bank. After 1 year the simple interest is ₹12. What is the rate of interest per year (in %)?
  12. 12.Vivaan keeps ₹1900 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 3 years?
  13. 13.Tara keeps ₹1700 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 1 year?
  14. 14.₹1800 earns 3% simple interest per year. In how many years will the interest be ₹162?
  15. 15.₹2000 earns 8% simple interest per year. In how many years will the interest be ₹640?
  16. 16.Ananya keeps ₹500 in a bank. After 1 year the simple interest is ₹15. What is the rate of interest per year (in %)?
  17. 17.₹400 earns 4% simple interest per year. In how many years will the interest be ₹16?
  18. 18.Rahul keeps ₹1500 in a bank at 8% simple interest per year. How much money will there be after 2 years (in ₹)?
  19. 19.Nisha keeps ₹1700 in a bank. After 4 years the simple interest is ₹612. What is the rate of interest per year (in %)?
  20. 20.Karan keeps ₹100 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 1 year?
  21. 21.Aarav keeps ₹1000 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 2 years?
  22. 22.Sneha keeps ₹500 in a bank. After 1 year the simple interest is ₹25. What is the rate of interest per year (in %)?
  23. 23.Saanvi keeps ₹200 in a bank. After 2 years the simple interest is ₹12. What is the rate of interest per year (in %)?
  24. 24.Isha keeps ₹900 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 1 year?
  25. 25.₹1800 earns 7% simple interest per year. In how many years will the interest be ₹504?
  26. 26.Isha keeps ₹1100 in a bank at 9% simple interest per year. How much money will there be after 3 years (in ₹)?
  27. 27.₹800 earns 7% simple interest per year. In how many years will the interest be ₹56?
  28. 28.Meera has ₹700. In a piggy bank it stays ₹700. In a bank at 4% simple interest per year, how many rupees more will Meera have after 4 years?
  29. 29.₹1600 earns 4% simple interest per year. In how many years will the interest be ₹320?
  30. 30.Arjun keeps ₹1300 in a bank at 3% simple interest per year. How much money will there be after 1 year (in ₹)?
  31. 31.₹1500 earns 7% simple interest per year. In how many years will the interest be ₹210?
  32. 32.Zoya has ₹1300. In a piggy bank it stays ₹1300. In a bank at 6% simple interest per year, how many rupees more will Zoya have after 3 years?
  33. 33.Diya keeps ₹1200 in a bank. After 4 years the simple interest is ₹240. What is the rate of interest per year (in %)?
  34. 34.Tara keeps ₹1800 in a bank at 3% simple interest per year. How much money will there be after 1 year (in ₹)?
  35. 35.Rohan keeps ₹800 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 3 years?
  36. 36.₹2000 earns 4% simple interest per year. In how many years will the interest be ₹160?
  37. 37.Kavya has ₹700. In a piggy bank it stays ₹700. In a bank at 2% simple interest per year, how many rupees more will Kavya have after 1 year?
  38. 38.Saanvi keeps ₹300 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 2 years?
  39. 39.Aarav keeps ₹900 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 1 year?
  40. 40.Gurpreet keeps ₹1300 in a bank at 9% simple interest per year. How much money will there be after 4 years (in ₹)?

Answer key

  1. 171
  2. 1
  3. 128
  4. 3
  5. 7
  6. 6
  7. 306
  8. 378
  9. 40
  10. 45
  11. 4
  12. 171
  13. 85
  14. 3
  15. 4
  16. 3
  17. 1
  18. 1740
  19. 9
  20. 10
  21. 40
  22. 5
  23. 3
  24. 72
  25. 4
  26. 1397
  27. 1
  28. 112
  29. 5
  30. 1339
  31. 2
  32. 234
  33. 5
  34. 1854
  35. 96
  36. 2
  37. 14
  38. 24
  39. 72
  40. 1768

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