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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 833 · 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% of a number is 21. What is the number?
  2. 2.6 is 25% of ?
  3. 3.24 is 60% of ?
  4. 4.60% of a number is 63. What is the number?
  5. 5.148 is 40% of ?
  6. 6.10% of a number is 32. What is the number?
  7. 7.50% of a number is 83. What is the number?
  8. 8.20% of a number is 35. What is the number?
  9. 9.76 is 20% of ?
  10. 10.Dev spent ₹1, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  11. 11.Meera spent ₹168, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  12. 12.73 is 25% of ?
  13. 13.60% of a number is 129. What is the number?
  14. 14.Dev spent ₹17, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  15. 15.Diya spent ₹40, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  16. 16.Kabir spent ₹142, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  17. 17.80% of a number is 68. What is the number?
  18. 18.Ishaan spent ₹32, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  19. 19.90 is 25% of ?
  20. 20.20% of a number is 33. What is the number?
  21. 21.225 is 60% of ?
  22. 22.Aarav spent ₹48, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  23. 23.5% of a number is 4. What is the number?
  24. 24.6 is 15% of ?
  25. 25.Arjun spent ₹19, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  26. 26.50% of a number is 56. What is the number?
  27. 27.30% of a number is 27. What is the number?
  28. 28.10% of a number is 16. What is the number?
  29. 29.27 is 30% of ?
  30. 30.Arjun spent ₹9, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  31. 31.5% of a number is 5. What is the number?
  32. 32.90 is 30% of ?
  33. 33.50% of a number is 107. What is the number?
  34. 34.60% of a number is 162. What is the number?
  35. 35.Riya spent ₹9, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  36. 36.Diya spent ₹183, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  37. 37.40% of a number is 88. What is the number?
  38. 38.Isha spent ₹8, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  39. 39.12% of a number is 45. What is the number?
  40. 40.60% of a number is 141. What is the number?

Answer key

  1. 175
  2. 24
  3. 40
  4. 105
  5. 370
  6. 320
  7. 166
  8. 175
  9. 380
  10. 20
  11. 280
  12. 292
  13. 215
  14. 68
  15. 50
  16. 355
  17. 85
  18. 80
  19. 360
  20. 165
  21. 375
  22. 192
  23. 80
  24. 40
  25. 76
  26. 112
  27. 90
  28. 160
  29. 90
  30. 90
  31. 100
  32. 300
  33. 214
  34. 270
  35. 60
  36. 366
  37. 220
  38. 160
  39. 375
  40. 235

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