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Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 163 · 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.Isha keeps ₹700 in a bank at 7% simple interest per year. How much money will there be after 5 years (in ₹)?
  2. 2.₹700 earns 8% simple interest per year. In how many years will the interest be ₹112?
  3. 3.Riya keeps ₹500 in a bank. After 3 years the simple interest is ₹60. What is the rate of interest per year (in %)?
  4. 4.₹800 earns 4% simple interest per year. In how many years will the interest be ₹128?
  5. 5.Manav has ₹100. In a piggy bank it stays ₹100. In a bank at 5% simple interest per year, how many rupees more will Manav have after 2 years?
  6. 6.Joseph keeps ₹1900 in a bank. After 5 years the simple interest is ₹950. What is the rate of interest per year (in %)?
  7. 7.Riya keeps ₹200 in a bank. After 5 years the simple interest is ₹70. What is the rate of interest per year (in %)?
  8. 8.Zoya keeps ₹1600 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 2 years?
  9. 9.Vivaan keeps ₹900 in a bank. After 3 years the simple interest is ₹189. What is the rate of interest per year (in %)?
  10. 10.₹300 earns 6% simple interest per year. In how many years will the interest be ₹90?
  11. 11.Kabir keeps ₹200 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 5 years?
  12. 12.Lakshmi has ₹1200. In a piggy bank it stays ₹1200. In a bank at 7% simple interest per year, how many rupees more will Lakshmi have after 3 years?
  13. 13.₹400 earns 3% simple interest per year. In how many years will the interest be ₹24?
  14. 14.Manav keeps ₹1200 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 3 years?
  15. 15.Ishaan has ₹2000. In a piggy bank it stays ₹2000. In a bank at 9% simple interest per year, how many rupees more will Ishaan have after 4 years?
  16. 16.Meera has ₹600. In a piggy bank it stays ₹600. In a bank at 7% simple interest per year, how many rupees more will Meera have after 3 years?
  17. 17.Rohan keeps ₹1100 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 1 year?
  18. 18.Lakshmi keeps ₹1800 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 5 years?
  19. 19.Gurpreet keeps ₹800 in a bank. After 4 years the simple interest is ₹192. What is the rate of interest per year (in %)?
  20. 20.Rahul has ₹300. In a piggy bank it stays ₹300. In a bank at 5% simple interest per year, how many rupees more will Rahul have after 1 year?
  21. 21.Karan keeps ₹1000 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 2 years?
  22. 22.Aditya has ₹1400. In a piggy bank it stays ₹1400. In a bank at 2% simple interest per year, how many rupees more will Aditya have after 5 years?
  23. 23.Tara keeps ₹700 in a bank at 2% simple interest per year. How much money will there be after 5 years (in ₹)?
  24. 24.₹1200 earns 4% simple interest per year. In how many years will the interest be ₹192?
  25. 25.Farhan has ₹400. In a piggy bank it stays ₹400. In a bank at 4% simple interest per year, how many rupees more will Farhan have after 3 years?
  26. 26.₹300 earns 2% simple interest per year. In how many years will the interest be ₹24?
  27. 27.Diya keeps ₹300 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 3 years?
  28. 28.Tara keeps ₹1200 in a bank at 3% simple interest per year. How much money will there be after 4 years (in ₹)?
  29. 29.Vivaan keeps ₹100 in a bank at 5% simple interest per year. How much money will there be after 4 years (in ₹)?
  30. 30.₹600 earns 8% simple interest per year. In how many years will the interest be ₹96?
  31. 31.Arjun keeps ₹1400 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 2 years?
  32. 32.Rahul keeps ₹100 in a bank. After 2 years the simple interest is ₹6. What is the rate of interest per year (in %)?
  33. 33.Ananya keeps ₹1900 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 1 year?
  34. 34.Karan keeps ₹600 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 1 year?
  35. 35.Farhan has ₹2000. In a piggy bank it stays ₹2000. In a bank at 5% simple interest per year, how many rupees more will Farhan have after 5 years?
  36. 36.Vivaan keeps ₹1000 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 4 years?
  37. 37.Tara has ₹300. In a piggy bank it stays ₹300. In a bank at 7% simple interest per year, how many rupees more will Tara have after 5 years?
  38. 38.Meera keeps ₹1200 in a bank. After 3 years the simple interest is ₹180. What is the rate of interest per year (in %)?
  39. 39.Dev keeps ₹200 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 1 year?
  40. 40.Kabir keeps ₹400 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 2 years?

Answer key

  1. 945
  2. 2
  3. 4
  4. 4
  5. 10
  6. 10
  7. 7
  8. 64
  9. 7
  10. 5
  11. 20
  12. 252
  13. 2
  14. 216
  15. 720
  16. 126
  17. 55
  18. 270
  19. 6
  20. 15
  21. 100
  22. 140
  23. 770
  24. 4
  25. 48
  26. 4
  27. 54
  28. 1344
  29. 120
  30. 2
  31. 196
  32. 3
  33. 190
  34. 54
  35. 500
  36. 80
  37. 105
  38. 5
  39. 8
  40. 32

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