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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 351 · 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. 1.25% of a number is 73. What is the number?
  2. 2.83 is 25% of ?
  3. 3.Meera spent ₹147, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  4. 4.Riya spent ₹63, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  5. 5.Aarav spent ₹13, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  6. 6.199 is 50% of ?
  7. 7.40% of a number is 16. What is the number?
  8. 8.15% of a number is 36. What is the number?
  9. 9.Rohan spent ₹18, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  10. 10.80% of a number is 112. What is the number?
  11. 11.15% of a number is 30. What is the number?
  12. 12.30% of a number is 33. What is the number?
  13. 13.60% of a number is 39. What is the number?
  14. 14.Isha spent ₹2, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  15. 15.116 is 80% of ?
  16. 16.80% of a number is 192. What is the number?
  17. 17.27 is 15% of ?
  18. 18.9 is 12% of ?
  19. 19.15 is 30% of ?
  20. 20.20% of a number is 69. What is the number?
  21. 21.80% of a number is 24. What is the number?
  22. 22.10% of a number is 7. What is the number?
  23. 23.99 is 60% of ?
  24. 24.75% of a number is 225. What is the number?
  25. 25.40% of a number is 128. What is the number?
  26. 26.96 is 40% of ?
  27. 27.75 is 75% of ?
  28. 28.50% of a number is 18. What is the number?
  29. 29.Aarav spent ₹73, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  30. 30.279 is 75% of ?
  31. 31.280 is 80% of ?
  32. 32.Ishaan spent ₹36, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  33. 33.Arjun spent ₹7, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  34. 34.10% of a number is 19. What is the number?
  35. 35.25% of a number is 10. What is the number?
  36. 36.5% of a number is 12. What is the number?
  37. 37.108 is 80% of ?
  38. 38.60% of a number is 183. What is the number?
  39. 39.40% of a number is 24. What is the number?
  40. 40.12% of a number is 36. What is the number?

Answer key

  1. 292
  2. 332
  3. 294
  4. 210
  5. 65
  6. 398
  7. 40
  8. 240
  9. 90
  10. 140
  11. 200
  12. 110
  13. 65
  14. 40
  15. 145
  16. 240
  17. 180
  18. 75
  19. 50
  20. 345
  21. 30
  22. 70
  23. 165
  24. 300
  25. 320
  26. 240
  27. 100
  28. 36
  29. 365
  30. 372
  31. 350
  32. 240
  33. 70
  34. 190
  35. 40
  36. 240
  37. 135
  38. 305
  39. 60
  40. 300

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