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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 1 · 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.₹2000 earns 4% simple interest per year. In how many years will the interest be ₹240?
  2. 2.Karan has ₹500. In a piggy bank it stays ₹500. In a bank at 5% simple interest per year, how many rupees more will Karan have after 2 years?
  3. 3.Gurpreet has ₹900. In a piggy bank it stays ₹900. In a bank at 3% simple interest per year, how many rupees more will Gurpreet have after 1 year?
  4. 4.Farhan keeps ₹1200 in a bank at 3% simple interest per year. How much money will there be after 1 year (in ₹)?
  5. 5.Rahul keeps ₹500 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 1 year?
  6. 6.Arjun keeps ₹1400 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 4 years?
  7. 7.Ananya has ₹100. In a piggy bank it stays ₹100. In a bank at 9% simple interest per year, how many rupees more will Ananya have after 3 years?
  8. 8.Aarav keeps ₹2000 in a bank at 7% simple interest per year. How much money will there be after 3 years (in ₹)?
  9. 9.Tara has ₹1600. In a piggy bank it stays ₹1600. In a bank at 2% simple interest per year, how many rupees more will Tara have after 5 years?
  10. 10.Isha has ₹1300. In a piggy bank it stays ₹1300. In a bank at 3% simple interest per year, how many rupees more will Isha have after 2 years?
  11. 11.Meera keeps ₹1800 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 1 year?
  12. 12.Karan has ₹1800. In a piggy bank it stays ₹1800. In a bank at 6% simple interest per year, how many rupees more will Karan have after 2 years?
  13. 13.Sneha keeps ₹900 in a bank. After 2 years the simple interest is ₹72. What is the rate of interest per year (in %)?
  14. 14.Zoya keeps ₹1900 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 1 year?
  15. 15.Aditya has ₹300. In a piggy bank it stays ₹300. In a bank at 3% simple interest per year, how many rupees more will Aditya have after 2 years?
  16. 16.₹1600 earns 2% simple interest per year. In how many years will the interest be ₹64?
  17. 17.Diya keeps ₹600 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 3 years?
  18. 18.₹700 earns 10% simple interest per year. In how many years will the interest be ₹70?
  19. 19.Vivaan keeps ₹500 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 5 years?
  20. 20.Riya keeps ₹400 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 2 years?
  21. 21.₹700 earns 8% simple interest per year. In how many years will the interest be ₹168?
  22. 22.Dev keeps ₹1900 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 5 years?
  23. 23.Meera keeps ₹2000 in a bank. After 2 years the simple interest is ₹400. What is the rate of interest per year (in %)?
  24. 24.Kabir has ₹1300. In a piggy bank it stays ₹1300. In a bank at 8% simple interest per year, how many rupees more will Kabir have after 3 years?
  25. 25.₹1200 earns 9% simple interest per year. In how many years will the interest be ₹540?
  26. 26.Kavya keeps ₹600 in a bank. After 5 years the simple interest is ₹60. What is the rate of interest per year (in %)?
  27. 27.₹1500 earns 10% simple interest per year. In how many years will the interest be ₹300?
  28. 28.Vivaan has ₹400. In a piggy bank it stays ₹400. In a bank at 3% simple interest per year, how many rupees more will Vivaan have after 3 years?
  29. 29.Joseph has ₹1800. In a piggy bank it stays ₹1800. In a bank at 10% simple interest per year, how many rupees more will Joseph have after 1 year?
  30. 30.Aditya has ₹1000. In a piggy bank it stays ₹1000. In a bank at 5% simple interest per year, how many rupees more will Aditya have after 2 years?
  31. 31.₹300 earns 5% simple interest per year. In how many years will the interest be ₹45?
  32. 32.Aarav has ₹200. In a piggy bank it stays ₹200. In a bank at 2% simple interest per year, how many rupees more will Aarav have after 2 years?
  33. 33.Ishaan keeps ₹1700 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 5 years?
  34. 34.₹1100 earns 6% simple interest per year. In how many years will the interest be ₹198?
  35. 35.Aarav keeps ₹200 in a bank. After 1 year the simple interest is ₹18. What is the rate of interest per year (in %)?
  36. 36.Sneha keeps ₹100 in a bank at 7% simple interest per year. How much money will there be after 5 years (in ₹)?
  37. 37.Gurpreet keeps ₹1500 in a bank at 9% simple interest per year. How much money will there be after 2 years (in ₹)?
  38. 38.Joseph keeps ₹1200 in a bank. After 2 years the simple interest is ₹96. What is the rate of interest per year (in %)?
  39. 39.Meera keeps ₹1300 in a bank at 4% simple interest per year. How much money will there be after 4 years (in ₹)?
  40. 40.Ananya keeps ₹400 in a bank. After 5 years the simple interest is ₹200. What is the rate of interest per year (in %)?

Answer key

  1. 3
  2. 50
  3. 27
  4. 1236
  5. 35
  6. 280
  7. 27
  8. 2420
  9. 160
  10. 78
  11. 72
  12. 216
  13. 4
  14. 190
  15. 18
  16. 2
  17. 126
  18. 1
  19. 50
  20. 80
  21. 3
  22. 950
  23. 10
  24. 312
  25. 5
  26. 2
  27. 2
  28. 36
  29. 180
  30. 100
  31. 3
  32. 8
  33. 510
  34. 3
  35. 9
  36. 135
  37. 1770
  38. 4
  39. 1508
  40. 10

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