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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 279 · 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. 1.80% of a number is 52. What is the number?
  2. 2.15% of a number is 21. What is the number?
  3. 3.72 is 40% of ?
  4. 4.25% of a number is 50. What is the number?
  5. 5.80% of a number is 260. What is the number?
  6. 6.Riya spent ₹51, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  7. 7.Aarav spent ₹134, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  8. 8.Anaya spent ₹35, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  9. 9.Riya spent ₹18, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  10. 10.Isha spent ₹49, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  11. 11.15% of a number is 6. What is the number?
  12. 12.Dev spent ₹165, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  13. 13.Anaya spent ₹66, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  14. 14.35 is 20% of ?
  15. 15.9 is 12% of ?
  16. 16.25% of a number is 4. What is the number?
  17. 17.80% of a number is 240. What is the number?
  18. 18.40% of a number is 106. What is the number?
  19. 19.20% of a number is 39. What is the number?
  20. 20.5% of a number is 9. What is the number?
  21. 21.Rohan spent ₹29, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  22. 22.14 is 25% of ?
  23. 23.40% of a number is 32. What is the number?
  24. 24.Ishaan spent ₹7, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  25. 25.11 is 50% of ?
  26. 26.80% of a number is 236. What is the number?
  27. 27.Aarav spent ₹180, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  28. 28.40% of a number is 60. What is the number?
  29. 29.5% of a number is 4. What is the number?
  30. 30.163 is 50% of ?
  31. 31.20% of a number is 63. What is the number?
  32. 32.Anaya spent ₹9, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  33. 33.117 is 30% of ?
  34. 34.Anaya spent ₹27, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  35. 35.54 is 30% of ?
  36. 36.120 is 30% of ?
  37. 37.5% of a number is 12. What is the number?
  38. 38.80 is 25% of ?
  39. 39.20% of a number is 29. What is the number?
  40. 40.3 is 30% of ?

Answer key

  1. 65
  2. 140
  3. 180
  4. 200
  5. 325
  6. 255
  7. 335
  8. 350
  9. 150
  10. 245
  11. 40
  12. 275
  13. 220
  14. 175
  15. 75
  16. 16
  17. 300
  18. 265
  19. 195
  20. 180
  21. 145
  22. 56
  23. 80
  24. 28
  25. 22
  26. 295
  27. 225
  28. 150
  29. 80
  30. 326
  31. 315
  32. 60
  33. 390
  34. 135
  35. 180
  36. 400
  37. 240
  38. 320
  39. 145
  40. 10

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