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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 50 · 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. 1.128 is 80% of ?
  2. 2.Anaya spent ₹30, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  3. 3.13 is 10% of ?
  4. 4.Aarav spent ₹52, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  5. 5.Sara spent ₹42, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  6. 6.25% of a number is 1. What is the number?
  7. 7.78 is 30% of ?
  8. 8.60% of a number is 117. What is the number?
  9. 9.Rohan spent ₹63, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  10. 10.Ishaan spent ₹124, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  11. 11.Aarav spent ₹69, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  12. 12.12 is 10% of ?
  13. 13.6 is 5% of ?
  14. 14.30% of a number is 87. What is the number?
  15. 15.80% of a number is 136. What is the number?
  16. 16.30% of a number is 105. What is the number?
  17. 17.72 is 30% of ?
  18. 18.25 is 10% of ?
  19. 19.50% of a number is 93. What is the number?
  20. 20.Isha spent ₹54, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  21. 21.75% of a number is 225. What is the number?
  22. 22.Meera spent ₹1, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  23. 23.Kabir spent ₹22, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  24. 24.Aarav spent ₹46, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  25. 25.Meera spent ₹15, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  26. 26.80% of a number is 232. What is the number?
  27. 27.Dev spent ₹75, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  28. 28.Diya spent ₹4, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  29. 29.Sara spent ₹30, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  30. 30.50% of a number is 137. What is the number?
  31. 31.10% of a number is 40. What is the number?
  32. 32.21 is 30% of ?
  33. 33.4 is 10% of ?
  34. 34.5 is 5% of ?
  35. 35.15% of a number is 57. What is the number?
  36. 36.18 is 20% of ?
  37. 37.Riya spent ₹9, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  38. 38.Aarav spent ₹86, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  39. 39.Sara spent ₹183, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  40. 40.42 is 12% of ?

Answer key

  1. 160
  2. 150
  3. 130
  4. 65
  5. 350
  6. 4
  7. 260
  8. 195
  9. 105
  10. 155
  11. 92
  12. 120
  13. 120
  14. 290
  15. 170
  16. 350
  17. 240
  18. 250
  19. 186
  20. 180
  21. 300
  22. 20
  23. 110
  24. 115
  25. 100
  26. 290
  27. 150
  28. 10
  29. 100
  30. 274
  31. 400
  32. 70
  33. 40
  34. 100
  35. 380
  36. 90
  37. 36
  38. 215
  39. 244
  40. 350

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