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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 822 · 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. 1.15% of a number is 33. What is the number?
  2. 2.11 is 5% of ?
  3. 3.3 is 5% of ?
  4. 4.30 is 10% of ?
  5. 5.39 is 12% of ?
  6. 6.Rohan spent ₹44, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  7. 7.81 is 75% of ?
  8. 8.12% of a number is 3. What is the number?
  9. 9.99 is 30% of ?
  10. 10.Aarav spent ₹98, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  11. 11.Anaya spent ₹15, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  12. 12.Rohan spent ₹90, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  13. 13.12 is 20% of ?
  14. 14.150 is 75% of ?
  15. 15.15% of a number is 3. What is the number?
  16. 16.40% of a number is 32. What is the number?
  17. 17.10% of a number is 27. What is the number?
  18. 18.Isha spent ₹20, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  19. 19.Ishaan spent ₹14, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  20. 20.15% of a number is 60. What is the number?
  21. 21.30% of a number is 57. What is the number?
  22. 22.Arjun spent ₹27, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  23. 23.Riya spent ₹18, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.40% of a number is 4. What is the number?
  25. 25.Meera spent ₹50, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  26. 26.Arjun spent ₹105, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  27. 27.69 is 25% of ?
  28. 28.Anaya spent ₹130, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  29. 29.60% of a number is 156. What is the number?
  30. 30.70 is 25% of ?
  31. 31.17 is 5% of ?
  32. 32.Meera spent ₹33, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  33. 33.12% of a number is 42. What is the number?
  34. 34.97 is 50% of ?
  35. 35.Meera spent ₹59, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  36. 36.12% of a number is 15. What is the number?
  37. 37.5% of a number is 8. What is the number?
  38. 38.Diya spent ₹61, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  39. 39.9 is 12% of ?
  40. 40.5% of a number is 9. What is the number?

Answer key

  1. 220
  2. 220
  3. 60
  4. 300
  5. 325
  6. 110
  7. 108
  8. 25
  9. 330
  10. 392
  11. 100
  12. 180
  13. 60
  14. 200
  15. 20
  16. 80
  17. 270
  18. 40
  19. 140
  20. 400
  21. 190
  22. 54
  23. 180
  24. 10
  25. 100
  26. 140
  27. 276
  28. 325
  29. 260
  30. 280
  31. 340
  32. 330
  33. 350
  34. 194
  35. 295
  36. 125
  37. 160
  38. 244
  39. 75
  40. 180

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