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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 761 · 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. 1.13 is 5% of ?
  2. 2.17 is 5% of ?
  3. 3.8 is 20% of ?
  4. 4.40% of a number is 80. What is the number?
  5. 5.Dev spent ₹155, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  6. 6.75% of a number is 45. What is the number?
  7. 7.Kabir spent ₹17, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  8. 8.12% of a number is 21. What is the number?
  9. 9.Arjun spent ₹62, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  10. 10.40% of a number is 96. What is the number?
  11. 11.204 is 75% of ?
  12. 12.15% of a number is 57. What is the number?
  13. 13.10% of a number is 21. What is the number?
  14. 14.60% of a number is 183. What is the number?
  15. 15.15% of a number is 12. What is the number?
  16. 16.Rohan spent ₹159, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  17. 17.102 is 30% of ?
  18. 18.12% of a number is 24. What is the number?
  19. 19.30% of a number is 39. What is the number?
  20. 20.264 is 75% of ?
  21. 21.Rohan spent ₹45, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  22. 22.224 is 80% of ?
  23. 23.Aarav spent ₹75, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  24. 24.Aarav spent ₹21, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  25. 25.20% of a number is 77. What is the number?
  26. 26.40% of a number is 144. What is the number?
  27. 27.244 is 80% of ?
  28. 28.Kabir spent ₹62, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  29. 29.74 is 50% of ?
  30. 30.Aarav spent ₹27, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  31. 31.25% of a number is 96. What is the number?
  32. 32.15% of a number is 42. What is the number?
  33. 33.296 is 80% of ?
  34. 34.38 is 20% of ?
  35. 35.35 is 10% of ?
  36. 36.18 is 10% of ?
  37. 37.Isha spent ₹40, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  38. 38.50% of a number is 16. What is the number?
  39. 39.5% of a number is 19. What is the number?
  40. 40.60% of a number is 168. What is the number?

Answer key

  1. 260
  2. 340
  3. 40
  4. 200
  5. 310
  6. 60
  7. 85
  8. 175
  9. 248
  10. 240
  11. 272
  12. 380
  13. 210
  14. 305
  15. 80
  16. 265
  17. 340
  18. 200
  19. 130
  20. 352
  21. 225
  22. 280
  23. 300
  24. 105
  25. 385
  26. 360
  27. 305
  28. 124
  29. 148
  30. 225
  31. 384
  32. 280
  33. 370
  34. 190
  35. 350
  36. 180
  37. 100
  38. 32
  39. 380
  40. 280

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