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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 272 · 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. 1.5% of a number is 8. What is the number?
  2. 2.17 is 10% of ?
  3. 3.45 is 15% of ?
  4. 4.5% of a number is 9. What is the number?
  5. 5.12% of a number is 9. What is the number?
  6. 6.25% of a number is 93. What is the number?
  7. 7.30% of a number is 54. What is the number?
  8. 8.Aarav spent ₹69, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  9. 9.Rohan spent ₹104, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  10. 10.25% of a number is 47. What is the number?
  11. 11.10% of a number is 6. What is the number?
  12. 12.Kabir spent ₹4, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  13. 13.180 is 60% of ?
  14. 14.Aarav spent ₹95, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  15. 15.108 is 40% of ?
  16. 16.6 is 12% of ?
  17. 17.30% of a number is 30. What is the number?
  18. 18.15% of a number is 51. What is the number?
  19. 19.75% of a number is 252. What is the number?
  20. 20.Diya spent ₹9, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  21. 21.25% of a number is 73. What is the number?
  22. 22.69 is 60% of ?
  23. 23.13 is 5% of ?
  24. 24.60% of a number is 18. What is the number?
  25. 25.15% of a number is 18. What is the number?
  26. 26.60% of a number is 78. What is the number?
  27. 27.15% of a number is 39. What is the number?
  28. 28.50% of a number is 141. What is the number?
  29. 29.75% of a number is 270. What is the number?
  30. 30.12% of a number is 42. What is the number?
  31. 31.Anaya spent ₹189, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  32. 32.30% of a number is 87. What is the number?
  33. 33.20% of a number is 46. What is the number?
  34. 34.75% of a number is 264. What is the number?
  35. 35.40% of a number is 84. What is the number?
  36. 36.18 is 12% of ?
  37. 37.Aarav spent ₹7, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  38. 38.20% of a number is 72. What is the number?
  39. 39.45 is 12% of ?
  40. 40.60% of a number is 81. What is the number?

Answer key

  1. 160
  2. 170
  3. 300
  4. 180
  5. 75
  6. 372
  7. 180
  8. 345
  9. 130
  10. 188
  11. 60
  12. 5
  13. 300
  14. 380
  15. 270
  16. 50
  17. 100
  18. 340
  19. 336
  20. 15
  21. 292
  22. 115
  23. 260
  24. 30
  25. 120
  26. 130
  27. 260
  28. 282
  29. 360
  30. 350
  31. 252
  32. 290
  33. 230
  34. 352
  35. 210
  36. 150
  37. 140
  38. 360
  39. 375
  40. 135

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