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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 533 · 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. 1.40% of a number is 36. What is the number?
  2. 2.8 is 40% of ?
  3. 3.25% of a number is 41. What is the number?
  4. 4.10% of a number is 25. What is the number?
  5. 5.25% of a number is 55. What is the number?
  6. 6.48 is 40% of ?
  7. 7.20% of a number is 10. What is the number?
  8. 8.15% of a number is 57. What is the number?
  9. 9.20% of a number is 71. What is the number?
  10. 10.24 is 12% of ?
  11. 11.Dev spent ₹35, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  12. 12.30% of a number is 18. What is the number?
  13. 13.75% of a number is 3. What is the number?
  14. 14.Sara spent ₹18, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  15. 15.18 is 12% of ?
  16. 16.Diya spent ₹54, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  17. 17.20% of a number is 32. What is the number?
  18. 18.Kabir spent ₹54, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  19. 19.20% of a number is 2. What is the number?
  20. 20.62 is 40% of ?
  21. 21.72 is 50% of ?
  22. 22.Kabir spent ₹57, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  23. 23.36 is 10% of ?
  24. 24.15% of a number is 9. What is the number?
  25. 25.Aarav spent ₹264, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  26. 26.14 is 5% of ?
  27. 27.10% of a number is 23. What is the number?
  28. 28.48 is 25% of ?
  29. 29.Riya spent ₹17, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  30. 30.Arjun spent ₹177, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  31. 31.10% of a number is 10. What is the number?
  32. 32.Sara spent ₹197, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  33. 33.Rohan spent ₹60, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  34. 34.Kabir spent ₹96, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  35. 35.20% of a number is 47. What is the number?
  36. 36.30% of a number is 21. What is the number?
  37. 37.Diya spent ₹45, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.20% of a number is 15. What is the number?
  39. 39.Riya spent ₹6, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.11 is 5% of ?

Answer key

  1. 90
  2. 20
  3. 164
  4. 250
  5. 220
  6. 120
  7. 50
  8. 380
  9. 355
  10. 200
  11. 175
  12. 60
  13. 4
  14. 150
  15. 150
  16. 360
  17. 160
  18. 360
  19. 10
  20. 155
  21. 144
  22. 380
  23. 360
  24. 60
  25. 330
  26. 280
  27. 230
  28. 192
  29. 170
  30. 354
  31. 100
  32. 394
  33. 400
  34. 320
  35. 235
  36. 70
  37. 375
  38. 75
  39. 20
  40. 220

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