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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 75 · 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. 1.10% of a number is 11. What is the number?
  2. 2.21 is 15% of ?
  3. 3.10% of a number is 22. What is the number?
  4. 4.20% of a number is 63. What is the number?
  5. 5.Sara spent ₹152, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  6. 6.21 is 12% of ?
  7. 7.Arjun spent ₹9, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  8. 8.Sara spent ₹12, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  9. 9.9 is 15% of ?
  10. 10.Meera spent ₹32, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  11. 11.102 is 60% of ?
  12. 12.Anaya spent ₹38, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  13. 13.75% of a number is 12. What is the number?
  14. 14.30% of a number is 54. What is the number?
  15. 15.Dev spent ₹2, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  16. 16.Rohan spent ₹180, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  17. 17.5% of a number is 5. What is the number?
  18. 18.39 is 10% of ?
  19. 19.Diya spent ₹24, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  20. 20.Riya spent ₹39, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  21. 21.87 is 30% of ?
  22. 22.Riya spent ₹14, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  23. 23.60% of a number is 24. What is the number?
  24. 24.20 is 5% of ?
  25. 25.40% of a number is 26. What is the number?
  26. 26.40% of a number is 102. What is the number?
  27. 27.Meera spent ₹15, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  28. 28.Riya spent ₹147, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  29. 29.Sara spent ₹9, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  30. 30.2 is 5% of ?
  31. 31.5% of a number is 11. What is the number?
  32. 32.Anaya spent ₹73, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  33. 33.30% of a number is 39. What is the number?
  34. 34.Meera spent ₹7, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  35. 35.21 is 60% of ?
  36. 36.Arjun spent ₹86, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  37. 37.Rohan spent ₹165, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  38. 38.220 is 80% of ?
  39. 39.Isha spent ₹80, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  40. 40.5% of a number is 14. What is the number?

Answer key

  1. 110
  2. 140
  3. 220
  4. 315
  5. 380
  6. 175
  7. 60
  8. 15
  9. 60
  10. 160
  11. 170
  12. 380
  13. 16
  14. 180
  15. 10
  16. 225
  17. 100
  18. 390
  19. 240
  20. 52
  21. 290
  22. 35
  23. 40
  24. 400
  25. 65
  26. 255
  27. 50
  28. 294
  29. 60
  30. 40
  31. 220
  32. 292
  33. 130
  34. 140
  35. 35
  36. 344
  37. 330
  38. 275
  39. 400
  40. 280

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