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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 725 · 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. 1.63 is 60% of ?
  2. 2.5% of a number is 4. What is the number?
  3. 3.9 is 5% of ?
  4. 4.Meera spent ₹180, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  5. 5.10% of a number is 32. What is the number?
  6. 6.51 is 30% of ?
  7. 7.Aarav spent ₹41, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  8. 8.25% of a number is 47. What is the number?
  9. 9.Rohan spent ₹60, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  10. 10.110 is 50% of ?
  11. 11.Meera spent ₹112, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  12. 12.42 is 25% of ?
  13. 13.Dev spent ₹14, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  14. 14.1 is 5% of ?
  15. 15.Kabir spent ₹18, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  16. 16.186 is 50% of ?
  17. 17.14 is 25% of ?
  18. 18.30 is 25% of ?
  19. 19.40 is 40% of ?
  20. 20.Isha spent ₹90, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  21. 21.75% of a number is 243. What is the number?
  22. 22.Meera spent ₹39, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  23. 23.12% of a number is 18. What is the number?
  24. 24.152 is 80% of ?
  25. 25.36 is 12% of ?
  26. 26.18 is 20% of ?
  27. 27.10% of a number is 18. What is the number?
  28. 28.Sara spent ₹72, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  29. 29.30% of a number is 18. What is the number?
  30. 30.75% of a number is 54. What is the number?
  31. 31.Isha spent ₹158, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  32. 32.50% of a number is 183. What is the number?
  33. 33.15% of a number is 18. What is the number?
  34. 34.80% of a number is 320. What is the number?
  35. 35.12% of a number is 12. What is the number?
  36. 36.20% of a number is 70. What is the number?
  37. 37.60% of a number is 93. What is the number?
  38. 38.198 is 50% of ?
  39. 39.80% of a number is 252. What is the number?
  40. 40.Ishaan spent ₹108, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?

Answer key

  1. 105
  2. 80
  3. 180
  4. 360
  5. 320
  6. 170
  7. 205
  8. 188
  9. 400
  10. 220
  11. 140
  12. 168
  13. 35
  14. 20
  15. 90
  16. 372
  17. 56
  18. 120
  19. 100
  20. 360
  21. 324
  22. 325
  23. 150
  24. 190
  25. 300
  26. 90
  27. 180
  28. 180
  29. 60
  30. 72
  31. 316
  32. 366
  33. 120
  34. 400
  35. 100
  36. 350
  37. 155
  38. 396
  39. 315
  40. 135

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