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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 648 · 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. 1.20% of a number is 71. What is the number?
  2. 2.40% of a number is 160. What is the number?
  3. 3.32 is 10% of ?
  4. 4.80 is 40% of ?
  5. 5.30 is 12% of ?
  6. 6.40% of a number is 140. What is the number?
  7. 7.Aarav spent ₹24, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  8. 8.15% of a number is 27. What is the number?
  9. 9.54 is 15% of ?
  10. 10.40% of a number is 44. What is the number?
  11. 11.80% of a number is 312. What is the number?
  12. 12.39 is 12% of ?
  13. 13.18 is 5% of ?
  14. 14.30% of a number is 36. What is the number?
  15. 15.Sara spent ₹51, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  16. 16.Dev spent ₹67, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  17. 17.50% of a number is 67. What is the number?
  18. 18.30% of a number is 48. What is the number?
  19. 19.75% of a number is 225. What is the number?
  20. 20.Meera spent ₹28, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  21. 21.20% of a number is 17. What is the number?
  22. 22.109 is 50% of ?
  23. 23.15% of a number is 9. What is the number?
  24. 24.10% of a number is 15. What is the number?
  25. 25.Isha spent ₹9, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  26. 26.27 is 15% of ?
  27. 27.51 is 60% of ?
  28. 28.60% of a number is 3. What is the number?
  29. 29.60% of a number is 24. What is the number?
  30. 30.40% of a number is 104. What is the number?
  31. 31.5% of a number is 7. What is the number?
  32. 32.48 is 12% of ?
  33. 33.Aarav spent ₹42, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  34. 34.5% of a number is 6. What is the number?
  35. 35.Anaya spent ₹12, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  36. 36.60% of a number is 231. What is the number?
  37. 37.195 is 75% of ?
  38. 38.50% of a number is 75. What is the number?
  39. 39.Aarav spent ₹144, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  40. 40.6 is 30% of ?

Answer key

  1. 355
  2. 400
  3. 320
  4. 200
  5. 250
  6. 350
  7. 30
  8. 180
  9. 360
  10. 110
  11. 390
  12. 325
  13. 360
  14. 120
  15. 170
  16. 268
  17. 134
  18. 160
  19. 300
  20. 70
  21. 85
  22. 218
  23. 60
  24. 150
  25. 15
  26. 180
  27. 85
  28. 5
  29. 40
  30. 260
  31. 140
  32. 400
  33. 56
  34. 120
  35. 120
  36. 385
  37. 260
  38. 150
  39. 240
  40. 20

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