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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 988 · 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 96. What is the number?
  2. 2.72 is 20% of ?
  3. 3.Aarav spent ₹188, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  4. 4.165 is 50% of ?
  5. 5.15% of a number is 15. What is the number?
  6. 6.10% of a number is 4. What is the number?
  7. 7.80% of a number is 40. What is the number?
  8. 8.Diya spent ₹88, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  9. 9.60% of a number is 105. What is the number?
  10. 10.40 is 10% of ?
  11. 11.10% of a number is 21. What is the number?
  12. 12.15% of a number is 24. What is the number?
  13. 13.Dev spent ₹45, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  14. 14.6 is 60% of ?
  15. 15.117 is 60% of ?
  16. 16.180 is 75% of ?
  17. 17.25% of a number is 87. What is the number?
  18. 18.Rohan spent ₹45, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  19. 19.86 is 50% of ?
  20. 20.Meera spent ₹47, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  21. 21.80% of a number is 88. What is the number?
  22. 22.20% of a number is 63. What is the number?
  23. 23.Riya spent ₹80, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.60% of a number is 42. What is the number?
  25. 25.Diya spent ₹75, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  26. 26.33 is 30% of ?
  27. 27.Ishaan spent ₹63, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  28. 28.24 is 30% of ?
  29. 29.40% of a number is 70. What is the number?
  30. 30.12% of a number is 9. What is the number?
  31. 31.42 is 12% of ?
  32. 32.20% of a number is 61. What is the number?
  33. 33.75% of a number is 30. What is the number?
  34. 34.Riya spent ₹54, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  35. 35.44 is 20% of ?
  36. 36.Ishaan spent ₹156, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  37. 37.Arjun spent ₹31, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  38. 38.Isha spent ₹4, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  39. 39.Anaya spent ₹183, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  40. 40.75% of a number is 27. What is the number?

Answer key

  1. 320
  2. 360
  3. 376
  4. 330
  5. 100
  6. 40
  7. 50
  8. 110
  9. 175
  10. 400
  11. 210
  12. 160
  13. 150
  14. 10
  15. 195
  16. 240
  17. 348
  18. 375
  19. 172
  20. 235
  21. 110
  22. 315
  23. 160
  24. 70
  25. 125
  26. 110
  27. 210
  28. 80
  29. 175
  30. 75
  31. 350
  32. 305
  33. 40
  34. 135
  35. 220
  36. 208
  37. 155
  38. 80
  39. 305
  40. 36

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