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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 278 · 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.₹400 earns 2% simple interest per year. In how many years will the interest be ₹24?
  2. 2.₹400 earns 7% simple interest per year. In how many years will the interest be ₹84?
  3. 3.Pooja keeps ₹1200 in a bank at 3% simple interest per year. How much money will there be after 4 years (in ₹)?
  4. 4.Joseph has ₹300. In a piggy bank it stays ₹300. In a bank at 4% simple interest per year, how many rupees more will Joseph have after 3 years?
  5. 5.Isha has ₹1300. In a piggy bank it stays ₹1300. In a bank at 5% simple interest per year, how many rupees more will Isha have after 2 years?
  6. 6.Farhan keeps ₹1800 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 3 years?
  7. 7.Kavya keeps ₹200 in a bank. After 2 years the simple interest is ₹16. What is the rate of interest per year (in %)?
  8. 8.Kavya has ₹1500. In a piggy bank it stays ₹1500. In a bank at 4% simple interest per year, how many rupees more will Kavya have after 1 year?
  9. 9.₹1800 earns 8% simple interest per year. In how many years will the interest be ₹288?
  10. 10.Aditya has ₹1000. In a piggy bank it stays ₹1000. In a bank at 9% simple interest per year, how many rupees more will Aditya have after 2 years?
  11. 11.Rahul keeps ₹100 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 2 years?
  12. 12.Rohan keeps ₹800 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 5 years?
  13. 13.Ananya has ₹1100. In a piggy bank it stays ₹1100. In a bank at 7% simple interest per year, how many rupees more will Ananya have after 1 year?
  14. 14.Priya keeps ₹400 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 2 years?
  15. 15.₹800 earns 6% simple interest per year. In how many years will the interest be ₹48?
  16. 16.Lakshmi keeps ₹1800 in a bank at 3% simple interest per year. How much money will there be after 4 years (in ₹)?
  17. 17.Farhan keeps ₹300 in a bank at 9% simple interest per year. How much money will there be after 5 years (in ₹)?
  18. 18.Sneha keeps ₹2000 in a bank. After 2 years the simple interest is ₹400. What is the rate of interest per year (in %)?
  19. 19.Dev has ₹2000. In a piggy bank it stays ₹2000. In a bank at 5% simple interest per year, how many rupees more will Dev have after 1 year?
  20. 20.Dev keeps ₹1500 in a bank at 9% simple interest per year. How much money will there be after 4 years (in ₹)?
  21. 21.Manav keeps ₹1800 in a bank. After 2 years the simple interest is ₹108. What is the rate of interest per year (in %)?
  22. 22.₹1200 earns 6% simple interest per year. In how many years will the interest be ₹288?
  23. 23.Riya has ₹600. In a piggy bank it stays ₹600. In a bank at 4% simple interest per year, how many rupees more will Riya have after 3 years?
  24. 24.Joseph has ₹1700. In a piggy bank it stays ₹1700. In a bank at 4% simple interest per year, how many rupees more will Joseph have after 2 years?
  25. 25.Rahul keeps ₹300 in a bank at 8% simple interest per year. How much money will there be after 2 years (in ₹)?
  26. 26.Joseph keeps ₹1000 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 4 years?
  27. 27.Karan keeps ₹300 in a bank at 6% simple interest per year. How much money will there be after 5 years (in ₹)?
  28. 28.Sneha keeps ₹2000 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 2 years?
  29. 29.Meera has ₹1000. In a piggy bank it stays ₹1000. In a bank at 10% simple interest per year, how many rupees more will Meera have after 2 years?
  30. 30.Nisha keeps ₹1000 in a bank. After 5 years the simple interest is ₹250. What is the rate of interest per year (in %)?
  31. 31.Joseph has ₹1600. In a piggy bank it stays ₹1600. In a bank at 7% simple interest per year, how many rupees more will Joseph have after 2 years?
  32. 32.Meera keeps ₹200 in a bank. After 4 years the simple interest is ₹16. What is the rate of interest per year (in %)?
  33. 33.Farhan keeps ₹1000 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 2 years?
  34. 34.Zoya keeps ₹2000 in a bank at 9% simple interest per year. How much money will there be after 5 years (in ₹)?
  35. 35.Aditya keeps ₹1000 in a bank. After 5 years the simple interest is ₹350. What is the rate of interest per year (in %)?
  36. 36.Tara keeps ₹1900 in a bank at 5% simple interest per year. How much money will there be after 5 years (in ₹)?
  37. 37.Dev has ₹1000. In a piggy bank it stays ₹1000. In a bank at 9% simple interest per year, how many rupees more will Dev have after 5 years?
  38. 38.Isha keeps ₹1900 in a bank. After 3 years the simple interest is ₹342. What is the rate of interest per year (in %)?
  39. 39.Nisha keeps ₹600 in a bank at 5% simple interest per year. How much money will there be after 5 years (in ₹)?
  40. 40.Saanvi keeps ₹500 in a bank. After 1 year the simple interest is ₹25. What is the rate of interest per year (in %)?

Answer key

  1. 3
  2. 3
  3. 1344
  4. 36
  5. 130
  6. 486
  7. 4
  8. 60
  9. 2
  10. 180
  11. 8
  12. 200
  13. 77
  14. 32
  15. 1
  16. 2016
  17. 435
  18. 10
  19. 100
  20. 2040
  21. 3
  22. 4
  23. 72
  24. 136
  25. 348
  26. 240
  27. 390
  28. 240
  29. 200
  30. 5
  31. 224
  32. 2
  33. 40
  34. 2900
  35. 7
  36. 2375
  37. 450
  38. 6
  39. 750
  40. 5

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