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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 453 · 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. 1.72 is 30% of ?
  2. 2.Dev spent ₹16, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  3. 3.21 is 30% of ?
  4. 4.222 is 60% of ?
  5. 5.75% of a number is 264. What is the number?
  6. 6.Riya spent ₹67, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  7. 7.Riya spent ₹200, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  8. 8.42 is 30% of ?
  9. 9.Isha spent ₹6, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  10. 10.40 is 40% of ?
  11. 11.75% of a number is 216. What is the number?
  12. 12.39 is 15% of ?
  13. 13.Aarav spent ₹13, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  14. 14.80% of a number is 156. What is the number?
  15. 15.15 is 12% of ?
  16. 16.4 is 5% of ?
  17. 17.34 is 40% of ?
  18. 18.20% of a number is 4. What is the number?
  19. 19.Aarav spent ₹6, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  20. 20.25% of a number is 23. What is the number?
  21. 21.12 is 12% of ?
  22. 22.39 is 12% of ?
  23. 23.Meera spent ₹33, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  24. 24.Arjun spent ₹51, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  25. 25.30% of a number is 18. What is the number?
  26. 26.105 is 75% of ?
  27. 27.10 is 20% of ?
  28. 28.117 is 30% of ?
  29. 29.30% of a number is 27. What is the number?
  30. 30.Riya spent ₹19, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  31. 31.12% of a number is 21. What is the number?
  32. 32.153 is 75% of ?
  33. 33.20% of a number is 69. What is the number?
  34. 34.Isha spent ₹38, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  35. 35.65 is 25% of ?
  36. 36.60% of a number is 36. What is the number?
  37. 37.Meera spent ₹256, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  38. 38.50% of a number is 14. What is the number?
  39. 39.12% of a number is 15. What is the number?
  40. 40.201 is 75% of ?

Answer key

  1. 240
  2. 320
  3. 70
  4. 370
  5. 352
  6. 268
  7. 250
  8. 140
  9. 60
  10. 100
  11. 288
  12. 260
  13. 260
  14. 195
  15. 125
  16. 80
  17. 85
  18. 20
  19. 20
  20. 92
  21. 100
  22. 325
  23. 275
  24. 85
  25. 60
  26. 140
  27. 50
  28. 390
  29. 90
  30. 190
  31. 175
  32. 204
  33. 345
  34. 76
  35. 260
  36. 60
  37. 320
  38. 28
  39. 125
  40. 268

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