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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 154 · 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 33. What is the number?
  2. 2.78 is 30% of ?
  3. 3.5% of a number is 4. What is the number?
  4. 4.50% of a number is 110. What is the number?
  5. 5.15 is 10% of ?
  6. 6.Diya spent ₹1, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  7. 7.75% of a number is 6. What is the number?
  8. 8.39 is 12% of ?
  9. 9.24 is 12% of ?
  10. 10.5% of a number is 6. What is the number?
  11. 11.88 is 25% of ?
  12. 12.45 is 75% of ?
  13. 13.50% of a number is 120. What is the number?
  14. 14.25% of a number is 74. What is the number?
  15. 15.62 is 50% of ?
  16. 16.Ishaan spent ₹43, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  17. 17.Meera spent ₹33, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  18. 18.Isha spent ₹15, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  19. 19.Aarav spent ₹10, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  20. 20.12% of a number is 12. What is the number?
  21. 21.207 is 75% of ?
  22. 22.50% of a number is 31. What is the number?
  23. 23.60 is 80% of ?
  24. 24.60% of a number is 147. What is the number?
  25. 25.12% of a number is 48. What is the number?
  26. 26.29 is 10% of ?
  27. 27.48 is 20% of ?
  28. 28.75% of a number is 162. What is the number?
  29. 29.Dev spent ₹152, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  30. 30.Ishaan spent ₹18, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  31. 31.50% of a number is 122. What is the number?
  32. 32.Meera spent ₹30, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  33. 33.Arjun spent ₹60, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  34. 34.80% of a number is 76. What is the number?
  35. 35.Aarav spent ₹66, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  36. 36.Aarav spent ₹16, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  37. 37.30% of a number is 81. What is the number?
  38. 38.Sara spent ₹268, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  39. 39.Riya spent ₹33, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.Aarav spent ₹46, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?

Answer key

  1. 110
  2. 260
  3. 80
  4. 220
  5. 150
  6. 4
  7. 8
  8. 325
  9. 200
  10. 120
  11. 352
  12. 60
  13. 240
  14. 296
  15. 124
  16. 215
  17. 275
  18. 300
  19. 100
  20. 100
  21. 276
  22. 62
  23. 75
  24. 245
  25. 400
  26. 290
  27. 240
  28. 216
  29. 190
  30. 90
  31. 244
  32. 200
  33. 80
  34. 95
  35. 330
  36. 320
  37. 270
  38. 335
  39. 55
  40. 230

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