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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 261 · 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. 1.13 is 25% of ?
  2. 2.18 is 20% of ?
  3. 3.10% of a number is 39. What is the number?
  4. 4.40% of a number is 68. What is the number?
  5. 5.15% of a number is 18. What is the number?
  6. 6.Sara spent ₹36, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  7. 7.Aarav spent ₹63, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  8. 8.40% of a number is 124. What is the number?
  9. 9.Isha spent ₹8, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  10. 10.30% of a number is 60. What is the number?
  11. 11.39 is 30% of ?
  12. 12.4 is 5% of ?
  13. 13.80% of a number is 104. What is the number?
  14. 14.54 is 40% of ?
  15. 15.80% of a number is 228. What is the number?
  16. 16.Anaya spent ₹160, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  17. 17.135 is 75% of ?
  18. 18.46 is 40% of ?
  19. 19.30% of a number is 84. What is the number?
  20. 20.Aarav spent ₹18, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  21. 21.86 is 25% of ?
  22. 22.Kabir spent ₹132, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  23. 23.Ishaan spent ₹114, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  24. 24.Aarav spent ₹29, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  25. 25.Aarav spent ₹45, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  26. 26.12% of a number is 6. What is the number?
  27. 27.12 is 12% of ?
  28. 28.60% of a number is 156. What is the number?
  29. 29.75 is 30% of ?
  30. 30.60% of a number is 198. What is the number?
  31. 31.2 is 10% of ?
  32. 32.10% of a number is 5. What is the number?
  33. 33.9 is 30% of ?
  34. 34.75% of a number is 102. What is the number?
  35. 35.Meera spent ₹34, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  36. 36.33 is 20% of ?
  37. 37.Kabir spent ₹21, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  38. 38.Kabir spent ₹10, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  39. 39.40% of a number is 90. What is the number?
  40. 40.21 is 12% of ?

Answer key

  1. 52
  2. 90
  3. 390
  4. 170
  5. 120
  6. 90
  7. 315
  8. 310
  9. 32
  10. 200
  11. 130
  12. 80
  13. 130
  14. 135
  15. 285
  16. 400
  17. 180
  18. 115
  19. 280
  20. 150
  21. 344
  22. 165
  23. 380
  24. 290
  25. 75
  26. 50
  27. 100
  28. 260
  29. 250
  30. 330
  31. 20
  32. 50
  33. 30
  34. 136
  35. 85
  36. 165
  37. 140
  38. 200
  39. 225
  40. 175

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