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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 704 · 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. 1.10% of a number is 28. What is the number?
  2. 2.12% of a number is 3. What is the number?
  3. 3.34 is 10% of ?
  4. 4.94 is 25% of ?
  5. 5.Anaya spent ₹102, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  6. 6.15% of a number is 48. What is the number?
  7. 7.192 is 60% of ?
  8. 8.25% of a number is 82. What is the number?
  9. 9.75% of a number is 150. What is the number?
  10. 10.60% of a number is 36. What is the number?
  11. 11.Anaya spent ₹25, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  12. 12.12 is 5% of ?
  13. 13.14 is 5% of ?
  14. 14.Meera spent ₹132, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  15. 15.Riya spent ₹17, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  16. 16.40% of a number is 32. What is the number?
  17. 17.20% of a number is 33. What is the number?
  18. 18.Rohan spent ₹39, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  19. 19.6 is 30% of ?
  20. 20.Isha spent ₹9, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  21. 21.24 is 12% of ?
  22. 22.Ishaan spent ₹39, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  23. 23.14 is 10% of ?
  24. 24.17 is 5% of ?
  25. 25.10% of a number is 29. What is the number?
  26. 26.15% of a number is 33. What is the number?
  27. 27.70 is 25% of ?
  28. 28.20% of a number is 3. What is the number?
  29. 29.Sara spent ₹90, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  30. 30.3 is 10% of ?
  31. 31.56 is 25% of ?
  32. 32.105 is 50% of ?
  33. 33.30% of a number is 54. What is the number?
  34. 34.60% of a number is 138. What is the number?
  35. 35.10% of a number is 39. What is the number?
  36. 36.Anaya spent ₹54, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  37. 37.75% of a number is 69. What is the number?
  38. 38.21 is 15% of ?
  39. 39.50% of a number is 35. What is the number?
  40. 40.129 is 60% of ?

Answer key

  1. 280
  2. 25
  3. 340
  4. 376
  5. 136
  6. 320
  7. 320
  8. 328
  9. 200
  10. 60
  11. 100
  12. 240
  13. 280
  14. 176
  15. 170
  16. 80
  17. 165
  18. 260
  19. 20
  20. 75
  21. 200
  22. 260
  23. 140
  24. 340
  25. 290
  26. 220
  27. 280
  28. 15
  29. 225
  30. 30
  31. 224
  32. 210
  33. 180
  34. 230
  35. 390
  36. 90
  37. 92
  38. 140
  39. 70
  40. 215

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