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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 682 · 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. 1.50% of a number is 57. What is the number?
  2. 2.73 is 20% of ?
  3. 3.75% of a number is 213. What is the number?
  4. 4.Rohan spent ₹12, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  5. 5.234 is 75% of ?
  6. 6.80% of a number is 108. What is the number?
  7. 7.6 is 25% of ?
  8. 8.5 is 10% of ?
  9. 9.60 is 60% of ?
  10. 10.Kabir spent ₹39, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  11. 11.15% of a number is 33. What is the number?
  12. 12.27 is 12% of ?
  13. 13.10% of a number is 19. What is the number?
  14. 14.20% of a number is 2. What is the number?
  15. 15.Aarav spent ₹102, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  16. 16.12% of a number is 18. What is the number?
  17. 17.20% of a number is 8. What is the number?
  18. 18.135 is 60% of ?
  19. 19.10% of a number is 36. What is the number?
  20. 20.23 is 20% of ?
  21. 21.171 is 75% of ?
  22. 22.60% of a number is 114. What is the number?
  23. 23.Meera spent ₹12, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  24. 24.296 is 80% of ?
  25. 25.Kabir spent ₹255, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  26. 26.60% of a number is 18. What is the number?
  27. 27.Aarav spent ₹3, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  28. 28.42 is 40% of ?
  29. 29.Sara spent ₹46, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  30. 30.Dev spent ₹22, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  31. 31.20% of a number is 5. What is the number?
  32. 32.12% of a number is 15. What is the number?
  33. 33.15% of a number is 42. What is the number?
  34. 34.20% of a number is 22. What is the number?
  35. 35.12% of a number is 21. What is the number?
  36. 36.270 is 75% of ?
  37. 37.30% of a number is 12. What is the number?
  38. 38.Arjun spent ₹3, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  39. 39.25% of a number is 77. What is the number?
  40. 40.80% of a number is 116. What is the number?

Answer key

  1. 114
  2. 365
  3. 284
  4. 80
  5. 312
  6. 135
  7. 24
  8. 50
  9. 100
  10. 390
  11. 220
  12. 225
  13. 190
  14. 10
  15. 204
  16. 150
  17. 40
  18. 225
  19. 360
  20. 115
  21. 228
  22. 190
  23. 240
  24. 370
  25. 340
  26. 30
  27. 20
  28. 105
  29. 184
  30. 110
  31. 25
  32. 125
  33. 280
  34. 110
  35. 175
  36. 360
  37. 40
  38. 15
  39. 308
  40. 145

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