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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 612 · 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. 1.64 is 20% of ?
  2. 2.80% of a number is 64. What is the number?
  3. 3.5% of a number is 2. What is the number?
  4. 4.15% of a number is 27. What is the number?
  5. 5.45 is 15% of ?
  6. 6.5% of a number is 3. What is the number?
  7. 7.60% of a number is 168. What is the number?
  8. 8.10% of a number is 15. What is the number?
  9. 9.Sara spent ₹92, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  10. 10.Ishaan spent ₹39, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  11. 11.126 is 50% of ?
  12. 12.75% of a number is 105. What is the number?
  13. 13.40% of a number is 8. What is the number?
  14. 14.19 is 5% of ?
  15. 15.132 is 40% of ?
  16. 16.Rohan spent ₹45, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  17. 17.60% of a number is 72. What is the number?
  18. 18.16 is 50% of ?
  19. 19.30% of a number is 114. What is the number?
  20. 20.25% of a number is 74. What is the number?
  21. 21.128 is 80% of ?
  22. 22.11 is 5% of ?
  23. 23.Sara spent ₹4, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.26 is 40% of ?
  25. 25.40% of a number is 142. What is the number?
  26. 26.189 is 75% of ?
  27. 27.Diya spent ₹27, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  28. 28.Riya spent ₹132, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  29. 29.46 is 40% of ?
  30. 30.30% of a number is 51. What is the number?
  31. 31.15 is 30% of ?
  32. 32.75% of a number is 114. What is the number?
  33. 33.25% of a number is 11. What is the number?
  34. 34.Anaya spent ₹11, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  35. 35.Sara spent ₹150, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  36. 36.60 is 15% of ?
  37. 37.80% of a number is 204. What is the number?
  38. 38.40% of a number is 66. What is the number?
  39. 39.Dev spent ₹45, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  40. 40.18 is 15% of ?

Answer key

  1. 320
  2. 80
  3. 40
  4. 180
  5. 300
  6. 60
  7. 280
  8. 150
  9. 368
  10. 156
  11. 252
  12. 140
  13. 20
  14. 380
  15. 330
  16. 375
  17. 120
  18. 32
  19. 380
  20. 296
  21. 160
  22. 220
  23. 80
  24. 65
  25. 355
  26. 252
  27. 225
  28. 330
  29. 115
  30. 170
  31. 50
  32. 152
  33. 44
  34. 220
  35. 375
  36. 400
  37. 255
  38. 165
  39. 150
  40. 120

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