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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 132 · 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. 1.20% of a number is 68. What is the number?
  2. 2.10% of a number is 31. What is the number?
  3. 3.50% of a number is 8. What is the number?
  4. 4.6 is 12% of ?
  5. 5.14 is 10% of ?
  6. 6.Meera spent ₹3, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  7. 7.80% of a number is 16. What is the number?
  8. 8.Isha spent ₹84, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  9. 9.Diya spent ₹7, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  10. 10.15% of a number is 57. What is the number?
  11. 11.Diya spent ₹54, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  12. 12.Diya spent ₹210, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  13. 13.20% of a number is 38. What is the number?
  14. 14.20% of a number is 53. What is the number?
  15. 15.50% of a number is 45. What is the number?
  16. 16.Kabir spent ₹4, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  17. 17.84 is 25% of ?
  18. 18.Aarav spent ₹20, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.10% of a number is 36. What is the number?
  20. 20.Riya spent ₹45, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  21. 21.20% of a number is 35. What is the number?
  22. 22.14 is 50% of ?
  23. 23.Rohan spent ₹11, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  24. 24.80% of a number is 172. What is the number?
  25. 25.156 is 80% of ?
  26. 26.21 is 20% of ?
  27. 27.5% of a number is 14. What is the number?
  28. 28.Rohan spent ₹75, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  29. 29.48 is 20% of ?
  30. 30.75% of a number is 24. What is the number?
  31. 31.Arjun spent ₹18, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  32. 32.72 is 25% of ?
  33. 33.Kabir spent ₹9, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.Riya spent ₹93, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  35. 35.Aarav spent ₹25, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  36. 36.25% of a number is 36. What is the number?
  37. 37.3 is 12% of ?
  38. 38.Riya spent ₹18, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  39. 39.264 is 75% of ?
  40. 40.60% of a number is 24. What is the number?

Answer key

  1. 340
  2. 310
  3. 16
  4. 50
  5. 140
  6. 60
  7. 20
  8. 140
  9. 140
  10. 380
  11. 270
  12. 350
  13. 190
  14. 265
  15. 90
  16. 80
  17. 336
  18. 80
  19. 360
  20. 150
  21. 175
  22. 28
  23. 110
  24. 215
  25. 195
  26. 105
  27. 280
  28. 250
  29. 240
  30. 32
  31. 150
  32. 288
  33. 180
  34. 186
  35. 50
  36. 144
  37. 25
  38. 72
  39. 352
  40. 40

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