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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 850 · 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 33. What is the number?
  2. 2.Meera spent ₹165, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  3. 3.7 is 10% of ?
  4. 4.60% of a number is 117. What is the number?
  5. 5.Riya spent ₹108, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  6. 6.Dev spent ₹66, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  7. 7.15% of a number is 15. What is the number?
  8. 8.9 is 20% of ?
  9. 9.Isha spent ₹156, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  10. 10.25% of a number is 11. What is the number?
  11. 11.30 is 10% of ?
  12. 12.Rohan spent ₹228, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  13. 13.15% of a number is 36. What is the number?
  14. 14.100 is 80% of ?
  15. 15.75% of a number is 24. What is the number?
  16. 16.15% of a number is 30. What is the number?
  17. 17.20% of a number is 11. What is the number?
  18. 18.100 is 40% of ?
  19. 19.Arjun spent ₹168, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  20. 20.Sara spent ₹138, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  21. 21.10% of a number is 32. What is the number?
  22. 22.25% of a number is 14. What is the number?
  23. 23.Dev spent ₹66, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  24. 24.45 is 12% of ?
  25. 25.4 is 10% of ?
  26. 26.25% of a number is 4. What is the number?
  27. 27.25% of a number is 13. What is the number?
  28. 28.Isha spent ₹104, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  29. 29.5% of a number is 3. What is the number?
  30. 30.141 is 75% of ?
  31. 31.Diya spent ₹180, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  32. 32.80% of a number is 112. What is the number?
  33. 33.Anaya spent ₹30, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  34. 34.75% of a number is 75. What is the number?
  35. 35.34 is 25% of ?
  36. 36.10% of a number is 6. What is the number?
  37. 37.Arjun spent ₹120, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  38. 38.12% of a number is 27. What is the number?
  39. 39.40% of a number is 48. What is the number?
  40. 40.6 is 12% of ?

Answer key

  1. 110
  2. 330
  3. 70
  4. 195
  5. 360
  6. 330
  7. 100
  8. 45
  9. 312
  10. 44
  11. 300
  12. 304
  13. 240
  14. 125
  15. 32
  16. 200
  17. 55
  18. 250
  19. 210
  20. 276
  21. 320
  22. 56
  23. 88
  24. 375
  25. 40
  26. 16
  27. 52
  28. 130
  29. 60
  30. 188
  31. 300
  32. 140
  33. 150
  34. 100
  35. 136
  36. 60
  37. 400
  38. 225
  39. 120
  40. 50

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