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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 864 · 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.Isha spent ₹84, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  2. 2.154 is 50% of ?
  3. 3.15 is 25% of ?
  4. 4.25% of a number is 10. What is the number?
  5. 5.Ishaan spent ₹30, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  6. 6.15% of a number is 45. What is the number?
  7. 7.11 is 10% of ?
  8. 8.Arjun spent ₹6, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  9. 9.12% of a number is 3. What is the number?
  10. 10.4 is 40% of ?
  11. 11.12% of a number is 12. What is the number?
  12. 12.25% of a number is 53. What is the number?
  13. 13.75% of a number is 270. What is the number?
  14. 14.50% of a number is 96. What is the number?
  15. 15.10% of a number is 11. What is the number?
  16. 16.15% of a number is 36. What is the number?
  17. 17.12% of a number is 45. What is the number?
  18. 18.46 is 20% of ?
  19. 19.25% of a number is 69. What is the number?
  20. 20.130 is 40% of ?
  21. 21.Kabir spent ₹13, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  22. 22.20% of a number is 80. What is the number?
  23. 23.Dev spent ₹36, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  24. 24.Rohan spent ₹9, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  25. 25.Ishaan spent ₹15, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  26. 26.Meera spent ₹48, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  27. 27.88 is 80% of ?
  28. 28.Sara spent ₹48, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  29. 29.30% of a number is 57. What is the number?
  30. 30.12% of a number is 18. What is the number?
  31. 31.Ishaan spent ₹207, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  32. 32.15% of a number is 12. What is the number?
  33. 33.40% of a number is 70. What is the number?
  34. 34.Aarav spent ₹140, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  35. 35.42 is 30% of ?
  36. 36.110 is 40% of ?
  37. 37.15 is 15% of ?
  38. 38.Isha spent ₹31, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  39. 39.156 is 50% of ?
  40. 40.75% of a number is 33. What is the number?

Answer key

  1. 105
  2. 308
  3. 60
  4. 40
  5. 100
  6. 300
  7. 110
  8. 8
  9. 25
  10. 10
  11. 100
  12. 212
  13. 360
  14. 192
  15. 110
  16. 240
  17. 375
  18. 230
  19. 276
  20. 325
  21. 65
  22. 400
  23. 300
  24. 75
  25. 100
  26. 192
  27. 110
  28. 60
  29. 190
  30. 150
  31. 276
  32. 80
  33. 175
  34. 350
  35. 140
  36. 275
  37. 100
  38. 155
  39. 312
  40. 44

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