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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 193 · 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.

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  1. 1.30% of a number is 114. What is the number?
  2. 2.12 is 5% of ?
  3. 3.Meera spent ₹312, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  4. 4.22 is 10% of ?
  5. 5.5% of a number is 2. What is the number?
  6. 6.Ishaan spent ₹212, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  7. 7.Meera spent ₹120, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  8. 8.10% of a number is 24. What is the number?
  9. 9.50 is 20% of ?
  10. 10.Aarav spent ₹96, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  11. 11.Meera spent ₹150, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  12. 12.Isha spent ₹3, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  13. 13.54 is 15% of ?
  14. 14.Ishaan spent ₹22, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  15. 15.Arjun spent ₹45, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  16. 16.20 is 20% of ?
  17. 17.28 is 40% of ?
  18. 18.Rohan spent ₹23, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  19. 19.5% of a number is 3. What is the number?
  20. 20.10% of a number is 1. What is the number?
  21. 21.75% of a number is 72. What is the number?
  22. 22.39 is 75% of ?
  23. 23.40% of a number is 64. What is the number?
  24. 24.80% of a number is 72. What is the number?
  25. 25.1 is 25% of ?
  26. 26.120 is 50% of ?
  27. 27.99 is 30% of ?
  28. 28.25% of a number is 15. What is the number?
  29. 29.15% of a number is 30. What is the number?
  30. 30.Diya spent ₹62, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  31. 31.Aarav spent ₹14, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  32. 32.Riya spent ₹189, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  33. 33.30 is 12% of ?
  34. 34.80% of a number is 60. What is the number?
  35. 35.30% of a number is 81. What is the number?
  36. 36.50% of a number is 126. What is the number?
  37. 37.Aarav spent ₹184, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  38. 38.Meera spent ₹66, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  39. 39.Arjun spent ₹20, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  40. 40.Riya spent ₹300, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 380
  2. 240
  3. 390
  4. 220
  5. 40
  6. 265
  7. 160
  8. 240
  9. 250
  10. 120
  11. 375
  12. 25
  13. 360
  14. 110
  15. 375
  16. 100
  17. 70
  18. 230
  19. 60
  20. 10
  21. 96
  22. 52
  23. 160
  24. 90
  25. 4
  26. 240
  27. 330
  28. 60
  29. 200
  30. 155
  31. 140
  32. 315
  33. 250
  34. 75
  35. 270
  36. 252
  37. 230
  38. 264
  39. 200
  40. 375

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