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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 11 · 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. 1.60% of a number is 54. What is the number?
  2. 2.12% of a number is 3. What is the number?
  3. 3.Aarav spent ₹88, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  4. 4.3 is 12% of ?
  5. 5.207 is 75% of ?
  6. 6.40% of a number is 112. What is the number?
  7. 7.20% of a number is 19. What is the number?
  8. 8.14 is 5% of ?
  9. 9.5% of a number is 13. What is the number?
  10. 10.17 is 20% of ?
  11. 11.Aarav spent ₹60, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  12. 12.15% of a number is 30. What is the number?
  13. 13.12% of a number is 33. What is the number?
  14. 14.80% of a number is 8. What is the number?
  15. 15.Diya spent ₹36, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  16. 16.11 is 25% of ?
  17. 17.Meera spent ₹58, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  18. 18.Sara spent ₹1, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  19. 19.Dev spent ₹33, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  20. 20.80% of a number is 164. What is the number?
  21. 21.12% of a number is 12. What is the number?
  22. 22.Aarav spent ₹5, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  23. 23.25% of a number is 13. What is the number?
  24. 24.56 is 20% of ?
  25. 25.30 is 12% of ?
  26. 26.Anaya spent ₹9, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  27. 27.40% of a number is 6. What is the number?
  28. 28.Dev spent ₹10, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  29. 29.60% of a number is 144. What is the number?
  30. 30.25% of a number is 99. What is the number?
  31. 31.30% of a number is 99. What is the number?
  32. 32.Anaya spent ₹86, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  33. 33.10% of a number is 37. What is the number?
  34. 34.140 is 40% of ?
  35. 35.20% of a number is 22. What is the number?
  36. 36.Diya spent ₹9, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  37. 37.25 is 10% of ?
  38. 38.Ishaan spent ₹109, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  39. 39.40% of a number is 38. What is the number?
  40. 40.15% of a number is 6. What is the number?

Answer key

  1. 90
  2. 25
  3. 352
  4. 25
  5. 276
  6. 280
  7. 95
  8. 280
  9. 260
  10. 85
  11. 120
  12. 200
  13. 275
  14. 10
  15. 300
  16. 44
  17. 145
  18. 10
  19. 55
  20. 205
  21. 100
  22. 25
  23. 52
  24. 280
  25. 250
  26. 75
  27. 15
  28. 100
  29. 240
  30. 396
  31. 330
  32. 172
  33. 370
  34. 350
  35. 110
  36. 30
  37. 250
  38. 218
  39. 95
  40. 40

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