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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 386 · 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. 1.24 is 20% of ?
  2. 2.30% of a number is 117. What is the number?
  3. 3.18 is 30% of ?
  4. 4.39 is 10% of ?
  5. 5.40% of a number is 114. What is the number?
  6. 6.72 is 80% of ?
  7. 7.165 is 50% of ?
  8. 8.Ishaan spent ₹170, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  9. 9.Diya spent ₹8, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  10. 10.Sara spent ₹21, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  11. 11.15% of a number is 27. What is the number?
  12. 12.7 is 10% of ?
  13. 13.36 is 80% of ?
  14. 14.60% of a number is 66. What is the number?
  15. 15.Rohan spent ₹13, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  16. 16.30% of a number is 78. What is the number?
  17. 17.252 is 80% of ?
  18. 18.71 is 25% of ?
  19. 19.Aarav spent ₹12, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  20. 20.10% of a number is 17. What is the number?
  21. 21.Rohan spent ₹31, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  22. 22.Ishaan spent ₹124, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  23. 23.20% of a number is 63. What is the number?
  24. 24.Diya spent ₹279, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  25. 25.6 is 12% of ?
  26. 26.75% of a number is 171. What is the number?
  27. 27.15 is 20% of ?
  28. 28.50% of a number is 63. What is the number?
  29. 29.16 is 25% of ?
  30. 30.50% of a number is 42. What is the number?
  31. 31.50% of a number is 21. What is the number?
  32. 32.Riya spent ₹15, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  33. 33.17 is 10% of ?
  34. 34.12% of a number is 12. What is the number?
  35. 35.50% of a number is 177. What is the number?
  36. 36.15% of a number is 9. What is the number?
  37. 37.25% of a number is 85. What is the number?
  38. 38.24 is 10% of ?
  39. 39.Diya spent ₹34, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  40. 40.Dev spent ₹36, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?

Answer key

  1. 120
  2. 390
  3. 60
  4. 390
  5. 285
  6. 90
  7. 330
  8. 340
  9. 80
  10. 175
  11. 180
  12. 70
  13. 45
  14. 110
  15. 65
  16. 260
  17. 315
  18. 284
  19. 100
  20. 170
  21. 310
  22. 155
  23. 315
  24. 372
  25. 50
  26. 228
  27. 75
  28. 126
  29. 64
  30. 84
  31. 42
  32. 125
  33. 170
  34. 100
  35. 354
  36. 60
  37. 340
  38. 240
  39. 85
  40. 240

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