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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 824 · 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. 1.75% of a number is 75. What is the number?
  2. 2.15% of a number is 24. What is the number?
  3. 3.12% of a number is 3. What is the number?
  4. 4.24 is 40% of ?
  5. 5.15% of a number is 39. What is the number?
  6. 6.Arjun spent ₹30, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  7. 7.40% of a number is 140. What is the number?
  8. 8.Rohan spent ₹36, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  9. 9.48 is 75% of ?
  10. 10.80% of a number is 168. What is the number?
  11. 11.69 is 30% of ?
  12. 12.40% of a number is 10. What is the number?
  13. 13.12 is 30% of ?
  14. 14.12% of a number is 27. What is the number?
  15. 15.47 is 25% of ?
  16. 16.12 is 12% of ?
  17. 17.60% of a number is 189. What is the number?
  18. 18.13 is 5% of ?
  19. 19.280 is 80% of ?
  20. 20.Dev spent ₹18, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  21. 21.Ishaan spent ₹24, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  22. 22.83 is 25% of ?
  23. 23.21 is 15% of ?
  24. 24.168 is 60% of ?
  25. 25.9 is 25% of ?
  26. 26.48 is 12% of ?
  27. 27.40% of a number is 158. What is the number?
  28. 28.75 is 25% of ?
  29. 29.15% of a number is 18. What is the number?
  30. 30.10% of a number is 5. What is the number?
  31. 31.Kabir spent ₹9, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  32. 32.24 is 50% of ?
  33. 33.Aarav spent ₹74, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  34. 34.25% of a number is 28. What is the number?
  35. 35.198 is 75% of ?
  36. 36.3 is 20% of ?
  37. 37.140 is 80% of ?
  38. 38.20% of a number is 6. What is the number?
  39. 39.258 is 75% of ?
  40. 40.23 is 20% of ?

Answer key

  1. 100
  2. 160
  3. 25
  4. 60
  5. 260
  6. 250
  7. 350
  8. 300
  9. 64
  10. 210
  11. 230
  12. 25
  13. 40
  14. 225
  15. 188
  16. 100
  17. 315
  18. 260
  19. 350
  20. 150
  21. 240
  22. 332
  23. 140
  24. 280
  25. 36
  26. 400
  27. 395
  28. 300
  29. 120
  30. 50
  31. 30
  32. 48
  33. 185
  34. 112
  35. 264
  36. 15
  37. 175
  38. 30
  39. 344
  40. 115

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