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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 849 · 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.Arjun spent ₹243, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  2. 2.20% of a number is 51. What is the number?
  3. 3.78 is 50% of ?
  4. 4.40% of a number is 76. What is the number?
  5. 5.9 is 60% of ?
  6. 6.1 is 10% of ?
  7. 7.Dev spent ₹118, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  8. 8.12% of a number is 3. What is the number?
  9. 9.27 is 25% of ?
  10. 10.60 is 75% of ?
  11. 11.20% of a number is 16. What is the number?
  12. 12.30% of a number is 3. What is the number?
  13. 13.73 is 25% of ?
  14. 14.32 is 10% of ?
  15. 15.79 is 20% of ?
  16. 16.30 is 15% of ?
  17. 17.Sara spent ₹264, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  18. 18.30% of a number is 12. What is the number?
  19. 19.80% of a number is 216. What is the number?
  20. 20.28 is 40% of ?
  21. 21.60% of a number is 195. What is the number?
  22. 22.Diya spent ₹92, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  23. 23.25% of a number is 23. What is the number?
  24. 24.39 is 50% of ?
  25. 25.11 is 20% of ?
  26. 26.5% of a number is 8. What is the number?
  27. 27.6 is 60% of ?
  28. 28.1 is 5% of ?
  29. 29.Aarav spent ₹45, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  30. 30.Diya spent ₹177, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  31. 31.10% of a number is 39. What is the number?
  32. 32.Kabir spent ₹32, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  33. 33.15% of a number is 45. What is the number?
  34. 34.10% of a number is 27. What is the number?
  35. 35.Isha spent ₹99, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  36. 36.Ishaan spent ₹88, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  37. 37.28 is 10% of ?
  38. 38.108 is 75% of ?
  39. 39.25% of a number is 76. What is the number?
  40. 40.61 is 20% of ?

Answer key

  1. 324
  2. 255
  3. 156
  4. 190
  5. 15
  6. 10
  7. 236
  8. 25
  9. 108
  10. 80
  11. 80
  12. 10
  13. 292
  14. 320
  15. 395
  16. 200
  17. 352
  18. 40
  19. 270
  20. 70
  21. 325
  22. 115
  23. 92
  24. 78
  25. 55
  26. 160
  27. 10
  28. 20
  29. 60
  30. 354
  31. 390
  32. 40
  33. 300
  34. 270
  35. 165
  36. 110
  37. 280
  38. 144
  39. 304
  40. 305

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