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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 342 · 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. 1.75% of a number is 75. What is the number?
  2. 2.25% of a number is 17. What is the number?
  3. 3.25% of a number is 45. What is the number?
  4. 4.50% of a number is 70. What is the number?
  5. 5.75% of a number is 3. What is the number?
  6. 6.40% of a number is 148. What is the number?
  7. 7.60% of a number is 219. What is the number?
  8. 8.1 is 5% of ?
  9. 9.12% of a number is 3. What is the number?
  10. 10.Sara spent ₹7, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  11. 11.13 is 20% of ?
  12. 12.12 is 10% of ?
  13. 13.40% of a number is 8. What is the number?
  14. 14.25% of a number is 94. What is the number?
  15. 15.6 is 5% of ?
  16. 16.Riya spent ₹15, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  17. 17.10% of a number is 18. What is the number?
  18. 18.68 is 25% of ?
  19. 19.30% of a number is 12. What is the number?
  20. 20.36 is 12% of ?
  21. 21.40% of a number is 80. What is the number?
  22. 22.Diya spent ₹21, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  23. 23.Meera spent ₹139, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  24. 24.50% of a number is 105. What is the number?
  25. 25.22 is 10% of ?
  26. 26.5% of a number is 2. What is the number?
  27. 27.Isha spent ₹49, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  28. 28.Riya spent ₹6, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  29. 29.Rohan spent ₹17, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  30. 30.15% of a number is 60. What is the number?
  31. 31.108 is 30% of ?
  32. 32.Rohan spent ₹117, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  33. 33.Kabir spent ₹18, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.50% of a number is 62. What is the number?
  35. 35.Rohan spent ₹19, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  36. 36.228 is 75% of ?
  37. 37.6 is 60% of ?
  38. 38.21 is 30% of ?
  39. 39.Aarav spent ₹6, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  40. 40.Riya spent ₹15, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 100
  2. 68
  3. 180
  4. 140
  5. 4
  6. 370
  7. 365
  8. 20
  9. 25
  10. 35
  11. 65
  12. 120
  13. 20
  14. 376
  15. 120
  16. 100
  17. 180
  18. 272
  19. 40
  20. 300
  21. 200
  22. 28
  23. 278
  24. 210
  25. 220
  26. 40
  27. 245
  28. 50
  29. 340
  30. 400
  31. 360
  32. 390
  33. 60
  34. 124
  35. 380
  36. 304
  37. 10
  38. 70
  39. 50
  40. 125

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage