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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 241 · 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. 1.50% of a number is 168. What is the number?
  2. 2.20% of a number is 68. What is the number?
  3. 3.Dev spent ₹7, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  4. 4.Diya spent ₹52, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  5. 5.Dev spent ₹105, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  6. 6.54 is 30% of ?
  7. 7.112 is 80% of ?
  8. 8.27 is 60% of ?
  9. 9.Sara spent ₹117, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  10. 10.10% of a number is 12. What is the number?
  11. 11.3 is 15% of ?
  12. 12.30% of a number is 3. What is the number?
  13. 13.66 is 60% of ?
  14. 14.234 is 60% of ?
  15. 15.72 is 30% of ?
  16. 16.20% of a number is 33. What is the number?
  17. 17.42 is 12% of ?
  18. 18.Sara spent ₹18, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  19. 19.15% of a number is 12. What is the number?
  20. 20.75% of a number is 195. What is the number?
  21. 21.111 is 30% of ?
  22. 22.252 is 80% of ?
  23. 23.Aarav spent ₹68, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  24. 24.21 is 12% of ?
  25. 25.40% of a number is 106. What is the number?
  26. 26.231 is 75% of ?
  27. 27.23 is 10% of ?
  28. 28.Isha spent ₹27, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  29. 29.75% of a number is 6. What is the number?
  30. 30.Sara spent ₹20, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  31. 31.60% of a number is 153. What is the number?
  32. 32.9 is 15% of ?
  33. 33.75% of a number is 192. What is the number?
  34. 34.Meera spent ₹11, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  35. 35.30% of a number is 6. What is the number?
  36. 36.7 is 5% of ?
  37. 37.Rohan spent ₹24, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  38. 38.15% of a number is 6. What is the number?
  39. 39.5% of a number is 10. What is the number?
  40. 40.5% of a number is 5. What is the number?

Answer key

  1. 336
  2. 340
  3. 140
  4. 260
  5. 350
  6. 180
  7. 140
  8. 45
  9. 195
  10. 120
  11. 20
  12. 10
  13. 110
  14. 390
  15. 240
  16. 165
  17. 350
  18. 90
  19. 80
  20. 260
  21. 370
  22. 315
  23. 272
  24. 175
  25. 265
  26. 308
  27. 230
  28. 36
  29. 8
  30. 80
  31. 255
  32. 60
  33. 256
  34. 220
  35. 20
  36. 140
  37. 40
  38. 40
  39. 200
  40. 100

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