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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 902 · 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. 1.7 is 5% of ?
  2. 2.20 is 10% of ?
  3. 3.75% of a number is 189. What is the number?
  4. 4.14 is 20% of ?
  5. 5.189 is 60% of ?
  6. 6.40% of a number is 86. What is the number?
  7. 7.Isha spent ₹58, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  8. 8.40% of a number is 60. What is the number?
  9. 9.13 is 10% of ?
  10. 10.Sara spent ₹36, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  11. 11.80% of a number is 48. What is the number?
  12. 12.Rohan spent ₹3, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  13. 13.15% of a number is 15. What is the number?
  14. 14.12% of a number is 24. What is the number?
  15. 15.20 is 5% of ?
  16. 16.10% of a number is 1. What is the number?
  17. 17.24 is 10% of ?
  18. 18.75% of a number is 21. What is the number?
  19. 19.20% of a number is 11. What is the number?
  20. 20.Kabir spent ₹219, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  21. 21.80% of a number is 224. What is the number?
  22. 22.296 is 80% of ?
  23. 23.12% of a number is 6. What is the number?
  24. 24.11 is 25% of ?
  25. 25.36 is 50% of ?
  26. 26.20% of a number is 25. What is the number?
  27. 27.5 is 5% of ?
  28. 28.12% of a number is 21. What is the number?
  29. 29.Riya spent ₹36, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  30. 30.22 is 10% of ?
  31. 31.Meera spent ₹9, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  32. 32.Kabir spent ₹39, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  33. 33.15% of a number is 9. What is the number?
  34. 34.75% of a number is 180. What is the number?
  35. 35.12% of a number is 45. What is the number?
  36. 36.60 is 80% of ?
  37. 37.10 is 5% of ?
  38. 38.60% of a number is 102. What is the number?
  39. 39.5% of a number is 20. What is the number?
  40. 40.Kabir spent ₹4, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?

Answer key

  1. 140
  2. 200
  3. 252
  4. 70
  5. 315
  6. 215
  7. 290
  8. 150
  9. 130
  10. 360
  11. 60
  12. 20
  13. 100
  14. 200
  15. 400
  16. 10
  17. 240
  18. 28
  19. 55
  20. 365
  21. 280
  22. 370
  23. 50
  24. 44
  25. 72
  26. 125
  27. 100
  28. 175
  29. 300
  30. 220
  31. 75
  32. 260
  33. 60
  34. 240
  35. 375
  36. 75
  37. 200
  38. 170
  39. 400
  40. 10

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