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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 615 · 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. 1.39 is 30% of ?
  2. 2.25% of a number is 91. What is the number?
  3. 3.196 is 80% of ?
  4. 4.7 is 25% of ?
  5. 5.60% of a number is 186. What is the number?
  6. 6.60% of a number is 78. What is the number?
  7. 7.11 is 25% of ?
  8. 8.14 is 10% of ?
  9. 9.129 is 60% of ?
  10. 10.Rohan spent ₹27, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.Isha spent ₹6, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  12. 12.20 is 5% of ?
  13. 13.Sara spent ₹1, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  14. 14.25% of a number is 84. What is the number?
  15. 15.Rohan spent ₹168, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  16. 16.5% of a number is 8. What is the number?
  17. 17.Aarav spent ₹78, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  18. 18.Meera spent ₹11, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  19. 19.179 is 50% of ?
  20. 20.8 is 10% of ?
  21. 21.78 is 25% of ?
  22. 22.40% of a number is 64. What is the number?
  23. 23.20% of a number is 78. What is the number?
  24. 24.5% of a number is 2. What is the number?
  25. 25.20% of a number is 20. What is the number?
  26. 26.50% of a number is 193. What is the number?
  27. 27.10% of a number is 34. What is the number?
  28. 28.Sara spent ₹48, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  29. 29.19 is 5% of ?
  30. 30.80% of a number is 168. What is the number?
  31. 31.75% of a number is 138. What is the number?
  32. 32.Riya spent ₹6, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  33. 33.20% of a number is 50. What is the number?
  34. 34.10% of a number is 9. What is the number?
  35. 35.24 is 20% of ?
  36. 36.41 is 25% of ?
  37. 37.Meera spent ₹26, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  38. 38.Sara spent ₹18, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  39. 39.Ishaan spent ₹108, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  40. 40.25% of a number is 66. What is the number?

Answer key

  1. 130
  2. 364
  3. 245
  4. 28
  5. 310
  6. 130
  7. 44
  8. 140
  9. 215
  10. 225
  11. 50
  12. 400
  13. 10
  14. 336
  15. 210
  16. 160
  17. 390
  18. 110
  19. 358
  20. 80
  21. 312
  22. 160
  23. 390
  24. 40
  25. 100
  26. 386
  27. 340
  28. 320
  29. 380
  30. 210
  31. 184
  32. 8
  33. 250
  34. 90
  35. 120
  36. 164
  37. 130
  38. 150
  39. 360
  40. 264

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