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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 296 · 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. 1.36 is 10% of ?
  2. 2.Aarav spent ₹13, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  3. 3.25% of a number is 25. What is the number?
  4. 4.4 is 10% of ?
  5. 5.24 is 12% of ?
  6. 6.Isha spent ₹154, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  7. 7.60% of a number is 63. What is the number?
  8. 8.5% of a number is 8. What is the number?
  9. 9.15% of a number is 42. What is the number?
  10. 10.Rohan spent ₹73, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.35 is 20% of ?
  12. 12.32 is 40% of ?
  13. 13.Riya spent ₹126, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  14. 14.30% of a number is 42. What is the number?
  15. 15.75% of a number is 162. What is the number?
  16. 16.5% of a number is 1. What is the number?
  17. 17.Aarav spent ₹30, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  18. 18.75% of a number is 126. What is the number?
  19. 19.Dev spent ₹20, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  20. 20.18 is 12% of ?
  21. 21.5% of a number is 15. What is the number?
  22. 22.50% of a number is 32. What is the number?
  23. 23.30% of a number is 57. What is the number?
  24. 24.25% of a number is 73. What is the number?
  25. 25.25% of a number is 22. What is the number?
  26. 26.Isha spent ₹308, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  27. 27.80% of a number is 4. What is the number?
  28. 28.60% of a number is 225. What is the number?
  29. 29.30% of a number is 96. What is the number?
  30. 30.Rohan spent ₹3, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  31. 31.80% of a number is 172. What is the number?
  32. 32.Rohan spent ₹23, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  33. 33.30% of a number is 45. What is the number?
  34. 34.Ishaan spent ₹24, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  35. 35.12 is 5% of ?
  36. 36.5% of a number is 16. What is the number?
  37. 37.Sara spent ₹258, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  38. 38.80% of a number is 232. What is the number?
  39. 39.50% of a number is 75. What is the number?
  40. 40.Meera spent ₹36, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?

Answer key

  1. 360
  2. 260
  3. 100
  4. 40
  5. 200
  6. 385
  7. 105
  8. 160
  9. 280
  10. 365
  11. 175
  12. 80
  13. 168
  14. 140
  15. 216
  16. 20
  17. 60
  18. 168
  19. 200
  20. 150
  21. 300
  22. 64
  23. 190
  24. 292
  25. 88
  26. 385
  27. 5
  28. 375
  29. 320
  30. 10
  31. 215
  32. 92
  33. 150
  34. 60
  35. 240
  36. 320
  37. 344
  38. 290
  39. 150
  40. 300

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