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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 893 · 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. 1.72 is 30% of ?
  2. 2.3 is 5% of ?
  3. 3.4 is 20% of ?
  4. 4.12% of a number is 45. What is the number?
  5. 5.12 is 30% of ?
  6. 6.69 is 30% of ?
  7. 7.249 is 75% of ?
  8. 8.48 is 12% of ?
  9. 9.21 is 12% of ?
  10. 10.69 is 60% of ?
  11. 11.Dev spent ₹99, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  12. 12.15 is 75% of ?
  13. 13.86 is 25% of ?
  14. 14.10% of a number is 27. What is the number?
  15. 15.Riya spent ₹8, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  16. 16.Kabir spent ₹129, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  17. 17.60% of a number is 57. What is the number?
  18. 18.Arjun spent ₹31, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  19. 19.Diya spent ₹6, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  20. 20.12 is 75% of ?
  21. 21.152 is 40% of ?
  22. 22.80% of a number is 80. What is the number?
  23. 23.5% of a number is 19. What is the number?
  24. 24.Dev spent ₹132, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  25. 25.40% of a number is 78. What is the number?
  26. 26.Isha spent ₹54, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  27. 27.Aarav spent ₹33, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  28. 28.25% of a number is 71. What is the number?
  29. 29.20% of a number is 23. What is the number?
  30. 30.80% of a number is 180. What is the number?
  31. 31.80% of a number is 204. What is the number?
  32. 32.30% of a number is 90. What is the number?
  33. 33.40% of a number is 150. What is the number?
  34. 34.10% of a number is 7. What is the number?
  35. 35.75% of a number is 138. What is the number?
  36. 36.18 is 12% of ?
  37. 37.22 is 20% of ?
  38. 38.72 is 20% of ?
  39. 39.50% of a number is 156. What is the number?
  40. 40.Riya spent ₹47, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 240
  2. 60
  3. 20
  4. 375
  5. 40
  6. 230
  7. 332
  8. 400
  9. 175
  10. 115
  11. 396
  12. 20
  13. 344
  14. 270
  15. 80
  16. 215
  17. 95
  18. 310
  19. 40
  20. 16
  21. 380
  22. 100
  23. 380
  24. 165
  25. 195
  26. 360
  27. 55
  28. 284
  29. 115
  30. 225
  31. 255
  32. 300
  33. 375
  34. 70
  35. 184
  36. 150
  37. 110
  38. 360
  39. 312
  40. 235

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