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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 424 · 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. 1.38 is 10% of ?
  2. 2.6 is 25% of ?
  3. 3.40% of a number is 32. What is the number?
  4. 4.Riya spent ₹18, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  5. 5.50% of a number is 58. What is the number?
  6. 6.Kabir spent ₹4, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  7. 7.Kabir spent ₹112, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  8. 8.60% of a number is 93. What is the number?
  9. 9.27 is 15% of ?
  10. 10.Rohan spent ₹1, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.Aarav spent ₹42, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  12. 12.201 is 75% of ?
  13. 13.40% of a number is 112. What is the number?
  14. 14.30% of a number is 78. What is the number?
  15. 15.Riya spent ₹27, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  16. 16.40% of a number is 134. What is the number?
  17. 17.51 is 25% of ?
  18. 18.Rohan spent ₹25, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  19. 19.5% of a number is 18. What is the number?
  20. 20.40% of a number is 116. What is the number?
  21. 21.40% of a number is 34. What is the number?
  22. 22.15 is 15% of ?
  23. 23.Isha spent ₹66, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  24. 24.20% of a number is 75. What is the number?
  25. 25.Sara spent ₹26, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  26. 26.Sara spent ₹18, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  27. 27.108 is 80% of ?
  28. 28.12% of a number is 27. What is the number?
  29. 29.Rohan spent ₹45, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  30. 30.Diya spent ₹15, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  31. 31.81 is 50% of ?
  32. 32.48 is 12% of ?
  33. 33.90 is 25% of ?
  34. 34.87 is 60% of ?
  35. 35.25% of a number is 29. What is the number?
  36. 36.5% of a number is 15. What is the number?
  37. 37.75% of a number is 102. What is the number?
  38. 38.292 is 80% of ?
  39. 39.40% of a number is 108. What is the number?
  40. 40.Riya spent ₹25, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 380
  2. 24
  3. 80
  4. 150
  5. 116
  6. 80
  7. 140
  8. 155
  9. 180
  10. 10
  11. 140
  12. 268
  13. 280
  14. 260
  15. 180
  16. 335
  17. 204
  18. 50
  19. 360
  20. 290
  21. 85
  22. 100
  23. 132
  24. 375
  25. 260
  26. 150
  27. 135
  28. 225
  29. 150
  30. 300
  31. 162
  32. 400
  33. 360
  34. 145
  35. 116
  36. 300
  37. 136
  38. 365
  39. 270
  40. 250

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