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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 460 · 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. 1.75% of a number is 237. What is the number?
  2. 2.20% of a number is 25. What is the number?
  3. 3.40% of a number is 16. What is the number?
  4. 4.45 is 12% of ?
  5. 5.28 is 10% of ?
  6. 6.6 is 30% of ?
  7. 7.264 is 75% of ?
  8. 8.20% of a number is 7. What is the number?
  9. 9.15% of a number is 24. What is the number?
  10. 10.Riya spent ₹56, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  11. 11.Meera spent ₹100, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  12. 12.99 is 60% of ?
  13. 13.78 is 75% of ?
  14. 14.Kabir spent ₹82, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  15. 15.10% of a number is 36. What is the number?
  16. 16.10% of a number is 20. What is the number?
  17. 17.279 is 75% of ?
  18. 18.Aarav spent ₹18, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.81 is 30% of ?
  20. 20.80% of a number is 40. What is the number?
  21. 21.15% of a number is 6. What is the number?
  22. 22.252 is 80% of ?
  23. 23.75% of a number is 132. What is the number?
  24. 24.Arjun spent ₹45, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  25. 25.Aarav spent ₹27, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  26. 26.117 is 50% of ?
  27. 27.Meera spent ₹60, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  28. 28.5% of a number is 8. What is the number?
  29. 29.222 is 75% of ?
  30. 30.3 is 15% of ?
  31. 31.18 is 15% of ?
  32. 32.15% of a number is 30. What is the number?
  33. 33.Sara spent ₹41, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  34. 34.184 is 80% of ?
  35. 35.20% of a number is 78. What is the number?
  36. 36.285 is 75% of ?
  37. 37.Isha spent ₹2, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  38. 38.Dev spent ₹78, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  39. 39.10% of a number is 33. What is the number?
  40. 40.12 is 30% of ?

Answer key

  1. 316
  2. 125
  3. 40
  4. 375
  5. 280
  6. 20
  7. 352
  8. 35
  9. 160
  10. 280
  11. 125
  12. 165
  13. 104
  14. 328
  15. 360
  16. 200
  17. 372
  18. 24
  19. 270
  20. 50
  21. 40
  22. 315
  23. 176
  24. 375
  25. 54
  26. 234
  27. 200
  28. 160
  29. 296
  30. 20
  31. 120
  32. 200
  33. 205
  34. 230
  35. 390
  36. 380
  37. 40
  38. 156
  39. 330
  40. 40

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