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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 804 · 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. 1.20% of a number is 19. What is the number?
  2. 2.25% of a number is 73. What is the number?
  3. 3.10% of a number is 27. What is the number?
  4. 4.25% of a number is 22. What is the number?
  5. 5.4 is 10% of ?
  6. 6.60% of a number is 216. What is the number?
  7. 7.108 is 60% of ?
  8. 8.60% of a number is 225. What is the number?
  9. 9.40 is 25% of ?
  10. 10.Kabir spent ₹156, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  11. 11.90 is 25% of ?
  12. 12.15 is 5% of ?
  13. 13.60% of a number is 3. What is the number?
  14. 14.38 is 40% of ?
  15. 15.20% of a number is 67. What is the number?
  16. 16.Kabir spent ₹63, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  17. 17.Aarav spent ₹5, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  18. 18.Anaya spent ₹99, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  19. 19.Arjun spent ₹27, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  20. 20.Riya spent ₹40, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  21. 21.34 is 25% of ?
  22. 22.50% of a number is 180. What is the number?
  23. 23.25% of a number is 21. What is the number?
  24. 24.Diya spent ₹294, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  25. 25.15% of a number is 24. What is the number?
  26. 26.Isha spent ₹19, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  27. 27.30% of a number is 108. What is the number?
  28. 28.20% of a number is 57. What is the number?
  29. 29.93 is 50% of ?
  30. 30.Riya spent ₹23, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  31. 31.10% of a number is 28. What is the number?
  32. 32.Rohan spent ₹60, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  33. 33.Sara spent ₹80, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  34. 34.Aarav spent ₹29, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  35. 35.10% of a number is 15. What is the number?
  36. 36.9 is 30% of ?
  37. 37.14 is 10% of ?
  38. 38.42 is 30% of ?
  39. 39.147 is 60% of ?
  40. 40.80% of a number is 244. What is the number?

Answer key

  1. 95
  2. 292
  3. 270
  4. 88
  5. 40
  6. 360
  7. 180
  8. 375
  9. 160
  10. 195
  11. 360
  12. 300
  13. 5
  14. 95
  15. 335
  16. 252
  17. 25
  18. 330
  19. 225
  20. 400
  21. 136
  22. 360
  23. 84
  24. 392
  25. 160
  26. 76
  27. 360
  28. 285
  29. 186
  30. 92
  31. 280
  32. 150
  33. 200
  34. 116
  35. 150
  36. 30
  37. 140
  38. 140
  39. 245
  40. 305

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage