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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 240 · 40 questions
TalentJR

How to work it out (Back to 100%): Write what you know: p% is a. The whole (100%) = a × 100 ÷ p. Check: p% of your answer must give a back.

NameDateTime takenScore ___ / 40
  1. 1.15% of a number is 48. What is the number?
  2. 2.204 is 75% of ?
  3. 3.28 is 80% of ?
  4. 4.Isha spent ₹3, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  5. 5.19 is 25% of ?
  6. 6.42 is 12% of ?
  7. 7.25% of a number is 15. What is the number?
  8. 8.175 is 50% of ?
  9. 9.5 is 25% of ?
  10. 10.15 is 12% of ?
  11. 11.9 is 25% of ?
  12. 12.68 is 20% of ?
  13. 13.21 is 60% of ?
  14. 14.25% of a number is 49. What is the number?
  15. 15.48 is 12% of ?
  16. 16.177 is 60% of ?
  17. 17.19 is 5% of ?
  18. 18.Aarav spent ₹41, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.20% of a number is 26. What is the number?
  20. 20.2 is 5% of ?
  21. 21.40% of a number is 62. What is the number?
  22. 22.27 is 50% of ?
  23. 23.Meera spent ₹12, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  24. 24.285 is 75% of ?
  25. 25.75% of a number is 129. What is the number?
  26. 26.40% of a number is 16. What is the number?
  27. 27.65 is 25% of ?
  28. 28.Rohan spent ₹95, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  29. 29.60% of a number is 240. What is the number?
  30. 30.20 is 5% of ?
  31. 31.40% of a number is 132. What is the number?
  32. 32.132 is 80% of ?
  33. 33.30 is 60% of ?
  34. 34.15% of a number is 30. What is the number?
  35. 35.15% of a number is 3. What is the number?
  36. 36.10% of a number is 7. What is the number?
  37. 37.40% of a number is 108. What is the number?
  38. 38.42 is 25% of ?
  39. 39.47 is 25% of ?
  40. 40.20% of a number is 50. What is the number?

Answer key

  1. 320
  2. 272
  3. 35
  4. 30
  5. 76
  6. 350
  7. 60
  8. 350
  9. 20
  10. 125
  11. 36
  12. 340
  13. 35
  14. 196
  15. 400
  16. 295
  17. 380
  18. 205
  19. 130
  20. 40
  21. 155
  22. 54
  23. 240
  24. 380
  25. 172
  26. 40
  27. 260
  28. 380
  29. 400
  30. 400
  31. 330
  32. 165
  33. 50
  34. 200
  35. 20
  36. 70
  37. 270
  38. 168
  39. 188
  40. 250

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage