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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 524 · 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 78. What is the number?
  2. 2.30% of a number is 111. What is the number?
  3. 3.50% of a number is 74. What is the number?
  4. 4.10% of a number is 33. What is the number?
  5. 5.51 is 30% of ?
  6. 6.10% of a number is 14. What is the number?
  7. 7.78 is 60% of ?
  8. 8.40% of a number is 52. What is the number?
  9. 9.50% of a number is 49. What is the number?
  10. 10.9 is 12% of ?
  11. 11.Rohan spent ₹70, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  12. 12.40% of a number is 156. What is the number?
  13. 13.21 is 10% of ?
  14. 14.50% of a number is 162. What is the number?
  15. 15.75% of a number is 126. What is the number?
  16. 16.Diya spent ₹150, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  17. 17.Meera spent ₹153, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  18. 18.30% of a number is 93. What is the number?
  19. 19.20% of a number is 24. What is the number?
  20. 20.92 is 25% of ?
  21. 21.80% of a number is 84. What is the number?
  22. 22.6 is 12% of ?
  23. 23.50% of a number is 5. What is the number?
  24. 24.Dev spent ₹112, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  25. 25.52 is 20% of ?
  26. 26.57 is 75% of ?
  27. 27.6 is 5% of ?
  28. 28.38 is 40% of ?
  29. 29.Riya spent ₹27, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  30. 30.Anaya spent ₹81, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  31. 31.20% of a number is 13. What is the number?
  32. 32.60% of a number is 6. What is the number?
  33. 33.10% of a number is 9. What is the number?
  34. 34.12 is 5% of ?
  35. 35.15% of a number is 60. What is the number?
  36. 36.20% of a number is 58. What is the number?
  37. 37.56 is 20% of ?
  38. 38.Ishaan spent ₹8, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  39. 39.25% of a number is 100. What is the number?
  40. 40.288 is 80% of ?

Answer key

  1. 104
  2. 370
  3. 148
  4. 330
  5. 170
  6. 140
  7. 130
  8. 130
  9. 98
  10. 75
  11. 175
  12. 390
  13. 210
  14. 324
  15. 168
  16. 300
  17. 255
  18. 310
  19. 120
  20. 368
  21. 105
  22. 50
  23. 10
  24. 280
  25. 260
  26. 76
  27. 120
  28. 95
  29. 108
  30. 270
  31. 65
  32. 10
  33. 90
  34. 240
  35. 400
  36. 290
  37. 280
  38. 40
  39. 400
  40. 360

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