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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 397 · 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. 1.10% of a number is 26. What is the number?
  2. 2.15% of a number is 54. What is the number?
  3. 3.25% of a number is 22. What is the number?
  4. 4.Rohan spent ₹76, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  5. 5.225 is 60% of ?
  6. 6.60% of a number is 63. What is the number?
  7. 7.Aarav spent ₹21, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  8. 8.Diya spent ₹79, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  9. 9.78 is 60% of ?
  10. 10.Isha spent ₹3, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  11. 11.Anaya spent ₹27, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  12. 12.Kabir spent ₹16, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  13. 13.40% of a number is 28. What is the number?
  14. 14.12% of a number is 24. What is the number?
  15. 15.Sara spent ₹39, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  16. 16.20% of a number is 32. What is the number?
  17. 17.15% of a number is 15. What is the number?
  18. 18.30% of a number is 30. What is the number?
  19. 19.19 is 25% of ?
  20. 20.40% of a number is 102. What is the number?
  21. 21.Sara spent ₹22, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  22. 22.4 is 5% of ?
  23. 23.Riya spent ₹5, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.Riya spent ₹138, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  25. 25.40% of a number is 156. What is the number?
  26. 26.50% of a number is 107. What is the number?
  27. 27.50% of a number is 19. What is the number?
  28. 28.88 is 25% of ?
  29. 29.76 is 20% of ?
  30. 30.5% of a number is 1. What is the number?
  31. 31.Aarav spent ₹21, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  32. 32.3 is 5% of ?
  33. 33.54 is 50% of ?
  34. 34.Riya spent ₹31, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  35. 35.10% of a number is 31. What is the number?
  36. 36.11 is 5% of ?
  37. 37.Rohan spent ₹21, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  38. 38.5% of a number is 10. What is the number?
  39. 39.Kabir spent ₹54, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  40. 40.7 is 10% of ?

Answer key

  1. 260
  2. 360
  3. 88
  4. 304
  5. 375
  6. 105
  7. 70
  8. 316
  9. 130
  10. 25
  11. 225
  12. 80
  13. 70
  14. 200
  15. 130
  16. 160
  17. 100
  18. 100
  19. 76
  20. 255
  21. 110
  22. 80
  23. 50
  24. 345
  25. 390
  26. 214
  27. 38
  28. 352
  29. 380
  30. 20
  31. 140
  32. 60
  33. 108
  34. 124
  35. 310
  36. 220
  37. 175
  38. 200
  39. 90
  40. 70

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