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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 290 · 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.Diya spent ₹12, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  2. 2.Aarav spent ₹84, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  3. 3.Rohan spent ₹70, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  4. 4.12% of a number is 6. What is the number?
  5. 5.93 is 50% of ?
  6. 6.10% of a number is 20. What is the number?
  7. 7.30% of a number is 48. What is the number?
  8. 8.Arjun spent ₹70, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  9. 9.Dev spent ₹261, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  10. 10.Rohan spent ₹79, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.60% of a number is 237. What is the number?
  12. 12.30% of a number is 21. What is the number?
  13. 13.16 is 40% of ?
  14. 14.18 is 15% of ?
  15. 15.Arjun spent ₹11, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  16. 16.10% of a number is 1. What is the number?
  17. 17.15% of a number is 60. What is the number?
  18. 18.30% of a number is 75. What is the number?
  19. 19.Anaya spent ₹9, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  20. 20.Sara spent ₹8, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  21. 21.75% of a number is 15. What is the number?
  22. 22.50% of a number is 48. What is the number?
  23. 23.Arjun spent ₹54, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  24. 24.50% of a number is 63. What is the number?
  25. 25.35 is 10% of ?
  26. 26.6 is 15% of ?
  27. 27.183 is 50% of ?
  28. 28.Meera spent ₹54, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  29. 29.6 is 12% of ?
  30. 30.40% of a number is 32. What is the number?
  31. 31.Aarav spent ₹147, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  32. 32.75% of a number is 102. What is the number?
  33. 33.Rohan spent ₹12, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  34. 34.15 is 20% of ?
  35. 35.50% of a number is 32. What is the number?
  36. 36.Kabir spent ₹180, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  37. 37.25% of a number is 11. What is the number?
  38. 38.75 is 30% of ?
  39. 39.25% of a number is 49. What is the number?
  40. 40.5% of a number is 5. What is the number?

Answer key

  1. 100
  2. 280
  3. 140
  4. 50
  5. 186
  6. 200
  7. 160
  8. 350
  9. 348
  10. 316
  11. 395
  12. 70
  13. 40
  14. 120
  15. 44
  16. 10
  17. 400
  18. 250
  19. 30
  20. 160
  21. 20
  22. 96
  23. 180
  24. 126
  25. 350
  26. 40
  27. 366
  28. 180
  29. 50
  30. 80
  31. 294
  32. 136
  33. 100
  34. 75
  35. 64
  36. 225
  37. 44
  38. 250
  39. 196
  40. 100

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