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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 854 · 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. 1.5% of a number is 8. What is the number?
  2. 2.30% of a number is 6. What is the number?
  3. 3.54 is 15% of ?
  4. 4.60% of a number is 87. What is the number?
  5. 5.10% of a number is 5. What is the number?
  6. 6.4 is 10% of ?
  7. 7.42 is 12% of ?
  8. 8.Diya spent ₹7, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  9. 9.17 is 10% of ?
  10. 10.Arjun spent ₹78, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  11. 11.27 is 10% of ?
  12. 12.17 is 5% of ?
  13. 13.4 is 20% of ?
  14. 14.58 is 40% of ?
  15. 15.40% of a number is 130. What is the number?
  16. 16.75% of a number is 276. What is the number?
  17. 17.24 is 15% of ?
  18. 18.Riya spent ₹279, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  19. 19.Meera spent ₹18, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  20. 20.72 is 30% of ?
  21. 21.75% of a number is 18. What is the number?
  22. 22.75% of a number is 102. What is the number?
  23. 23.20% of a number is 61. What is the number?
  24. 24.20% of a number is 31. What is the number?
  25. 25.Riya spent ₹21, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  26. 26.61 is 50% of ?
  27. 27.20 is 50% of ?
  28. 28.80% of a number is 56. What is the number?
  29. 29.Sara spent ₹30, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  30. 30.96 is 30% of ?
  31. 31.6 is 5% of ?
  32. 32.102 is 75% of ?
  33. 33.4 is 50% of ?
  34. 34.45 is 12% of ?
  35. 35.10% of a number is 3. What is the number?
  36. 36.Ishaan spent ₹108, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  37. 37.80% of a number is 248. What is the number?
  38. 38.15% of a number is 54. What is the number?
  39. 39.12% of a number is 33. What is the number?
  40. 40.20% of a number is 18. What is the number?

Answer key

  1. 160
  2. 20
  3. 360
  4. 145
  5. 50
  6. 40
  7. 350
  8. 35
  9. 170
  10. 312
  11. 270
  12. 340
  13. 20
  14. 145
  15. 325
  16. 368
  17. 160
  18. 372
  19. 360
  20. 240
  21. 24
  22. 136
  23. 305
  24. 155
  25. 175
  26. 122
  27. 40
  28. 70
  29. 50
  30. 320
  31. 120
  32. 136
  33. 8
  34. 375
  35. 30
  36. 360
  37. 310
  38. 360
  39. 275
  40. 90

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