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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 76 · 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. 1.12 is 15% of ?
  2. 2.12% of a number is 21. What is the number?
  3. 3.5 is 50% of ?
  4. 4.Aarav spent ₹46, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  5. 5.109 is 50% of ?
  6. 6.Diya spent ₹17, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  7. 7.15 is 50% of ?
  8. 8.Aarav spent ₹4, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  9. 9.9 is 12% of ?
  10. 10.Meera spent ₹56, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  11. 11.Sara spent ₹252, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  12. 12.22 is 10% of ?
  13. 13.276 is 75% of ?
  14. 14.50% of a number is 96. What is the number?
  15. 15.Sara spent ₹14, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  16. 16.37 is 50% of ?
  17. 17.90 is 30% of ?
  18. 18.Anaya spent ₹66, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  19. 19.5% of a number is 20. What is the number?
  20. 20.Aarav spent ₹15, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  21. 21.5% of a number is 16. What is the number?
  22. 22.Meera spent ₹32, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  23. 23.54 is 20% of ?
  24. 24.40% of a number is 146. What is the number?
  25. 25.Riya spent ₹84, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  26. 26.12% of a number is 30. What is the number?
  27. 27.19 is 25% of ?
  28. 28.Isha spent ₹6, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  29. 29.Isha spent ₹150, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  30. 30.20% of a number is 55. What is the number?
  31. 31.12% of a number is 9. What is the number?
  32. 32.Sara spent ₹128, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  33. 33.20% of a number is 72. What is the number?
  34. 34.15% of a number is 24. What is the number?
  35. 35.Arjun spent ₹57, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  36. 36.20% of a number is 56. What is the number?
  37. 37.60% of a number is 108. What is the number?
  38. 38.15% of a number is 30. What is the number?
  39. 39.40% of a number is 30. What is the number?
  40. 40.18 is 12% of ?

Answer key

  1. 80
  2. 175
  3. 10
  4. 230
  5. 218
  6. 340
  7. 30
  8. 40
  9. 75
  10. 224
  11. 336
  12. 220
  13. 368
  14. 192
  15. 280
  16. 74
  17. 300
  18. 264
  19. 400
  20. 60
  21. 320
  22. 320
  23. 270
  24. 365
  25. 280
  26. 250
  27. 76
  28. 40
  29. 375
  30. 275
  31. 75
  32. 160
  33. 360
  34. 160
  35. 380
  36. 280
  37. 180
  38. 200
  39. 75
  40. 150

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