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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 642 · 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. 1.30% of a number is 90. What is the number?
  2. 2.Aarav spent ₹75, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  3. 3.12% of a number is 21. What is the number?
  4. 4.196 is 80% of ?
  5. 5.72 is 80% of ?
  6. 6.57 is 50% of ?
  7. 7.Aarav spent ₹30, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  8. 8.15% of a number is 18. What is the number?
  9. 9.Meera spent ₹57, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  10. 10.Sara spent ₹48, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  11. 11.5% of a number is 10. What is the number?
  12. 12.10% of a number is 6. What is the number?
  13. 13.198 is 75% of ?
  14. 14.66 is 20% of ?
  15. 15.12% of a number is 9. What is the number?
  16. 16.30% of a number is 99. What is the number?
  17. 17.12% of a number is 39. What is the number?
  18. 18.12% of a number is 42. What is the number?
  19. 19.108 is 75% of ?
  20. 20.15 is 20% of ?
  21. 21.75% of a number is 273. What is the number?
  22. 22.50% of a number is 60. What is the number?
  23. 23.15 is 12% of ?
  24. 24.46 is 40% of ?
  25. 25.246 is 75% of ?
  26. 26.42 is 15% of ?
  27. 27.200 is 50% of ?
  28. 28.Rohan spent ₹234, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  29. 29.Ishaan spent ₹45, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  30. 30.Isha spent ₹56, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  31. 31.36 is 15% of ?
  32. 32.52 is 80% of ?
  33. 33.Kabir spent ₹9, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.30% of a number is 111. What is the number?
  35. 35.40% of a number is 16. What is the number?
  36. 36.40% of a number is 112. What is the number?
  37. 37.Diya spent ₹24, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.17 is 25% of ?
  39. 39.88 is 40% of ?
  40. 40.20% of a number is 32. What is the number?

Answer key

  1. 300
  2. 375
  3. 175
  4. 245
  5. 90
  6. 114
  7. 75
  8. 120
  9. 76
  10. 400
  11. 200
  12. 60
  13. 264
  14. 330
  15. 75
  16. 330
  17. 325
  18. 350
  19. 144
  20. 75
  21. 364
  22. 120
  23. 125
  24. 115
  25. 328
  26. 280
  27. 400
  28. 312
  29. 375
  30. 280
  31. 240
  32. 65
  33. 75
  34. 370
  35. 40
  36. 280
  37. 96
  38. 68
  39. 220
  40. 160

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