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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 401 · 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. 1.24 is 25% of ?
  2. 2.15% of a number is 6. What is the number?
  3. 3.36 is 12% of ?
  4. 4.Rohan spent ₹128, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  5. 5.244 is 80% of ?
  6. 6.60% of a number is 189. What is the number?
  7. 7.Anaya spent ₹38, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  8. 8.25% of a number is 26. What is the number?
  9. 9.Meera spent ₹21, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  10. 10.Anaya spent ₹75, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  11. 11.25% of a number is 24. What is the number?
  12. 12.184 is 50% of ?
  13. 13.10 is 5% of ?
  14. 14.30 is 15% of ?
  15. 15.40% of a number is 26. What is the number?
  16. 16.50% of a number is 151. What is the number?
  17. 17.60% of a number is 177. What is the number?
  18. 18.75% of a number is 204. What is the number?
  19. 19.120 is 30% of ?
  20. 20.75% of a number is 153. What is the number?
  21. 21.84 is 80% of ?
  22. 22.15 is 12% of ?
  23. 23.12 is 30% of ?
  24. 24.50% of a number is 58. What is the number?
  25. 25.Ishaan spent ₹60, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  26. 26.5% of a number is 4. What is the number?
  27. 27.Meera spent ₹3, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  28. 28.48 is 75% of ?
  29. 29.20% of a number is 2. What is the number?
  30. 30.Aarav spent ₹198, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  31. 31.15% of a number is 51. What is the number?
  32. 32.10% of a number is 5. What is the number?
  33. 33.50% of a number is 49. What is the number?
  34. 34.Isha spent ₹30, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  35. 35.Ishaan spent ₹2, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  36. 36.Sara spent ₹33, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  37. 37.75% of a number is 90. What is the number?
  38. 38.12% of a number is 21. What is the number?
  39. 39.84 is 40% of ?
  40. 40.35 is 25% of ?

Answer key

  1. 96
  2. 40
  3. 300
  4. 160
  5. 305
  6. 315
  7. 190
  8. 104
  9. 210
  10. 250
  11. 96
  12. 368
  13. 200
  14. 200
  15. 65
  16. 302
  17. 295
  18. 272
  19. 400
  20. 204
  21. 105
  22. 125
  23. 40
  24. 116
  25. 400
  26. 80
  27. 15
  28. 64
  29. 10
  30. 330
  31. 340
  32. 50
  33. 98
  34. 60
  35. 8
  36. 220
  37. 120
  38. 175
  39. 210
  40. 140

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