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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 955 · 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. 1.75% of a number is 150. What is the number?
  2. 2.5% of a number is 5. What is the number?
  3. 3.84 is 80% of ?
  4. 4.65 is 50% of ?
  5. 5.38 is 40% of ?
  6. 6.40% of a number is 62. What is the number?
  7. 7.Sara spent ₹42, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  8. 8.Aarav spent ₹14, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  9. 9.50% of a number is 58. What is the number?
  10. 10.72 is 30% of ?
  11. 11.15% of a number is 12. What is the number?
  12. 12.50% of a number is 199. What is the number?
  13. 13.Sara spent ₹21, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  14. 14.Anaya spent ₹93, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  15. 15.25% of a number is 52. What is the number?
  16. 16.Meera spent ₹46, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  17. 17.57 is 75% of ?
  18. 18.40% of a number is 14. What is the number?
  19. 19.25% of a number is 23. What is the number?
  20. 20.10% of a number is 14. What is the number?
  21. 21.39 is 25% of ?
  22. 22.75% of a number is 117. What is the number?
  23. 23.80% of a number is 232. What is the number?
  24. 24.10% of a number is 20. What is the number?
  25. 25.Meera spent ₹11, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  26. 26.44 is 80% of ?
  27. 27.60% of a number is 69. What is the number?
  28. 28.1 is 25% of ?
  29. 29.83 is 25% of ?
  30. 30.57 is 60% of ?
  31. 31.41 is 20% of ?
  32. 32.10% of a number is 25. What is the number?
  33. 33.Ishaan spent ₹32, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  34. 34.136 is 40% of ?
  35. 35.252 is 80% of ?
  36. 36.75% of a number is 96. What is the number?
  37. 37.5% of a number is 15. What is the number?
  38. 38.Ishaan spent ₹3, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  39. 39.25% of a number is 30. What is the number?
  40. 40.25% of a number is 45. What is the number?

Answer key

  1. 200
  2. 100
  3. 105
  4. 130
  5. 95
  6. 155
  7. 140
  8. 70
  9. 116
  10. 240
  11. 80
  12. 398
  13. 175
  14. 310
  15. 208
  16. 230
  17. 76
  18. 35
  19. 92
  20. 140
  21. 156
  22. 156
  23. 290
  24. 200
  25. 220
  26. 55
  27. 115
  28. 4
  29. 332
  30. 95
  31. 205
  32. 250
  33. 80
  34. 340
  35. 315
  36. 128
  37. 300
  38. 25
  39. 120
  40. 180

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