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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 775 · 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. 1.5% of a number is 8. What is the number?
  2. 2.Diya spent ₹54, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  3. 3.Kabir spent ₹15, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  4. 4.22 is 50% of ?
  5. 5.80% of a number is 180. What is the number?
  6. 6.Ishaan spent ₹11, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  7. 7.5% of a number is 9. What is the number?
  8. 8.Diya spent ₹90, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  9. 9.30 is 40% of ?
  10. 10.15% of a number is 39. What is the number?
  11. 11.30% of a number is 75. What is the number?
  12. 12.Meera spent ₹57, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  13. 13.Dev spent ₹12, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  14. 14.25% of a number is 53. What is the number?
  15. 15.80% of a number is 36. What is the number?
  16. 16.17 is 10% of ?
  17. 17.40% of a number is 142. What is the number?
  18. 18.13 is 10% of ?
  19. 19.9 is 15% of ?
  20. 20.Meera spent ₹31, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  21. 21.10 is 5% of ?
  22. 22.3 is 12% of ?
  23. 23.80% of a number is 12. What is the number?
  24. 24.Meera spent ₹171, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  25. 25.12 is 60% of ?
  26. 26.33 is 12% of ?
  27. 27.12% of a number is 30. What is the number?
  28. 28.36 is 10% of ?
  29. 29.3 is 30% of ?
  30. 30.Aarav spent ₹185, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  31. 31.12% of a number is 9. What is the number?
  32. 32.Sara spent ₹108, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  33. 33.90 is 75% of ?
  34. 34.78 is 75% of ?
  35. 35.Rohan spent ₹27, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  36. 36.20% of a number is 30. What is the number?
  37. 37.50% of a number is 165. What is the number?
  38. 38.Aarav spent ₹150, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  39. 39.98 is 25% of ?
  40. 40.Sara spent ₹108, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?

Answer key

  1. 160
  2. 360
  3. 150
  4. 44
  5. 225
  6. 110
  7. 180
  8. 120
  9. 75
  10. 260
  11. 250
  12. 285
  13. 100
  14. 212
  15. 45
  16. 170
  17. 355
  18. 130
  19. 60
  20. 155
  21. 200
  22. 25
  23. 15
  24. 342
  25. 20
  26. 275
  27. 250
  28. 360
  29. 10
  30. 370
  31. 75
  32. 135
  33. 120
  34. 104
  35. 270
  36. 150
  37. 330
  38. 375
  39. 392
  40. 360

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