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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 79 · 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.Zoya keeps ₹100 in a bank. After 2 years the simple interest is ₹14. What is the rate of interest per year (in %)?
  2. 2.Vivaan keeps ₹1200 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 3 years?
  3. 3.Dev has ₹800. In a piggy bank it stays ₹800. In a bank at 6% simple interest per year, how many rupees more will Dev have after 4 years?
  4. 4.Pooja keeps ₹1700 in a bank. After 3 years the simple interest is ₹459. What is the rate of interest per year (in %)?
  5. 5.Dev keeps ₹200 in a bank. After 5 years the simple interest is ₹100. What is the rate of interest per year (in %)?
  6. 6.Lakshmi keeps ₹1200 in a bank. After 5 years the simple interest is ₹240. What is the rate of interest per year (in %)?
  7. 7.Isha keeps ₹1200 in a bank. After 5 years the simple interest is ₹540. What is the rate of interest per year (in %)?
  8. 8.Lakshmi keeps ₹600 in a bank. After 3 years the simple interest is ₹108. What is the rate of interest per year (in %)?
  9. 9.Karan keeps ₹400 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 1 year?
  10. 10.Meera has ₹100. In a piggy bank it stays ₹100. In a bank at 4% simple interest per year, how many rupees more will Meera have after 4 years?
  11. 11.Kavya keeps ₹2000 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 5 years?
  12. 12.Ananya keeps ₹1200 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 3 years?
  13. 13.Pooja keeps ₹600 in a bank. After 4 years the simple interest is ₹240. What is the rate of interest per year (in %)?
  14. 14.Lakshmi has ₹600. In a piggy bank it stays ₹600. In a bank at 4% simple interest per year, how many rupees more will Lakshmi have after 5 years?
  15. 15.Arjun keeps ₹300 in a bank. After 1 year the simple interest is ₹12. What is the rate of interest per year (in %)?
  16. 16.Riya has ₹500. In a piggy bank it stays ₹500. In a bank at 6% simple interest per year, how many rupees more will Riya have after 3 years?
  17. 17.₹1200 earns 4% simple interest per year. In how many years will the interest be ₹192?
  18. 18.Kavya keeps ₹2000 in a bank. After 3 years the simple interest is ₹480. What is the rate of interest per year (in %)?
  19. 19.₹900 earns 4% simple interest per year. In how many years will the interest be ₹72?
  20. 20.Manav has ₹1400. In a piggy bank it stays ₹1400. In a bank at 7% simple interest per year, how many rupees more will Manav have after 2 years?
  21. 21.Pooja keeps ₹900 in a bank. After 1 year the simple interest is ₹81. What is the rate of interest per year (in %)?
  22. 22.Ananya has ₹1800. In a piggy bank it stays ₹1800. In a bank at 4% simple interest per year, how many rupees more will Ananya have after 1 year?
  23. 23.Manav keeps ₹1000 in a bank. After 1 year the simple interest is ₹80. What is the rate of interest per year (in %)?
  24. 24.₹1300 earns 7% simple interest per year. In how many years will the interest be ₹273?
  25. 25.Karan has ₹1100. In a piggy bank it stays ₹1100. In a bank at 4% simple interest per year, how many rupees more will Karan have after 2 years?
  26. 26.Vivaan keeps ₹1100 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 4 years?
  27. 27.Joseph keeps ₹600 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 1 year?
  28. 28.Rohan keeps ₹500 in a bank at 3% simple interest per year. How much money will there be after 2 years (in ₹)?
  29. 29.Nisha keeps ₹400 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 2 years?
  30. 30.Aditya has ₹1100. In a piggy bank it stays ₹1100. In a bank at 6% simple interest per year, how many rupees more will Aditya have after 2 years?
  31. 31.Zoya keeps ₹700 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 3 years?
  32. 32.Arjun keeps ₹800 in a bank at 2% simple interest per year. How much money will there be after 1 year (in ₹)?
  33. 33.Ishaan has ₹200. In a piggy bank it stays ₹200. In a bank at 7% simple interest per year, how many rupees more will Ishaan have after 5 years?
  34. 34.Aditya keeps ₹400 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 1 year?
  35. 35.Saanvi keeps ₹900 in a bank. After 5 years the simple interest is ₹450. What is the rate of interest per year (in %)?
  36. 36.₹100 earns 3% simple interest per year. In how many years will the interest be ₹15?
  37. 37.Tara has ₹800. In a piggy bank it stays ₹800. In a bank at 7% simple interest per year, how many rupees more will Tara have after 3 years?
  38. 38.₹2000 earns 7% simple interest per year. In how many years will the interest be ₹140?
  39. 39.Nisha keeps ₹1500 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 3 years?
  40. 40.Aarav keeps ₹1500 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 5 years?

Answer key

  1. 7
  2. 216
  3. 192
  4. 9
  5. 10
  6. 4
  7. 9
  8. 6
  9. 8
  10. 16
  11. 800
  12. 144
  13. 10
  14. 120
  15. 4
  16. 90
  17. 4
  18. 8
  19. 2
  20. 196
  21. 9
  22. 72
  23. 8
  24. 3
  25. 88
  26. 176
  27. 60
  28. 530
  29. 64
  30. 132
  31. 189
  32. 816
  33. 70
  34. 20
  35. 10
  36. 5
  37. 168
  38. 1
  39. 315
  40. 600

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