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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 987 · 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. 1.12% of a number is 36. What is the number?
  2. 2.15% of a number is 48. What is the number?
  3. 3.80% of a number is 96. What is the number?
  4. 4.18 is 75% of ?
  5. 5.Arjun spent ₹32, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  6. 6.12 is 10% of ?
  7. 7.123 is 75% of ?
  8. 8.Arjun spent ₹2, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  9. 9.59 is 20% of ?
  10. 10.51 is 30% of ?
  11. 11.25% of a number is 29. What is the number?
  12. 12.156 is 80% of ?
  13. 13.21 is 60% of ?
  14. 14.Riya spent ₹216, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  15. 15.Diya spent ₹120, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  16. 16.Meera spent ₹8, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  17. 17.20% of a number is 80. What is the number?
  18. 18.8 is 5% of ?
  19. 19.15% of a number is 60. What is the number?
  20. 20.Riya spent ₹7, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  21. 21.Dev spent ₹129, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  22. 22.Diya spent ₹116, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  23. 23.75% of a number is 234. What is the number?
  24. 24.75% of a number is 42. What is the number?
  25. 25.20% of a number is 15. What is the number?
  26. 26.75 is 60% of ?
  27. 27.Sara spent ₹15, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  28. 28.75% of a number is 120. What is the number?
  29. 29.13 is 50% of ?
  30. 30.80% of a number is 112. What is the number?
  31. 31.54 is 20% of ?
  32. 32.60% of a number is 177. What is the number?
  33. 33.Rohan spent ₹157, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  34. 34.Arjun spent ₹42, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  35. 35.Isha spent ₹268, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  36. 36.5% of a number is 19. What is the number?
  37. 37.192 is 50% of ?
  38. 38.80% of a number is 68. What is the number?
  39. 39.20 is 25% of ?
  40. 40.Aarav spent ₹40, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?

Answer key

  1. 300
  2. 320
  3. 120
  4. 24
  5. 64
  6. 120
  7. 164
  8. 20
  9. 295
  10. 170
  11. 116
  12. 195
  13. 35
  14. 288
  15. 300
  16. 32
  17. 400
  18. 160
  19. 400
  20. 140
  21. 215
  22. 290
  23. 312
  24. 56
  25. 75
  26. 125
  27. 100
  28. 160
  29. 26
  30. 140
  31. 270
  32. 295
  33. 314
  34. 350
  35. 335
  36. 380
  37. 384
  38. 85
  39. 80
  40. 400

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