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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 986 · 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. 1.30% of a number is 96. What is the number?
  2. 2.15% of a number is 18. What is the number?
  3. 3.Sara spent ₹8, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  4. 4.Rohan spent ₹216, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  5. 5.3 is 12% of ?
  6. 6.15% of a number is 6. What is the number?
  7. 7.60% of a number is 63. What is the number?
  8. 8.89 is 50% of ?
  9. 9.48 is 30% of ?
  10. 10.Sara spent ₹180, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  11. 11.30% of a number is 24. What is the number?
  12. 12.Meera spent ₹39, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  13. 13.25% of a number is 13. What is the number?
  14. 14.18 is 20% of ?
  15. 15.199 is 50% of ?
  16. 16.16 is 40% of ?
  17. 17.10% of a number is 3. What is the number?
  18. 18.Riya spent ₹30, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  19. 19.Anaya spent ₹20, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  20. 20.116 is 50% of ?
  21. 21.5% of a number is 19. What is the number?
  22. 22.Arjun spent ₹1, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  23. 23.80% of a number is 108. What is the number?
  24. 24.Isha spent ₹222, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  25. 25.10% of a number is 40. What is the number?
  26. 26.Kabir spent ₹116, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  27. 27.Kabir spent ₹14, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  28. 28.Anaya spent ₹100, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  29. 29.Meera spent ₹16, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  30. 30.20% of a number is 41. What is the number?
  31. 31.Sara spent ₹30, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  32. 32.10% of a number is 25. What is the number?
  33. 33.15% of a number is 3. What is the number?
  34. 34.75% of a number is 69. What is the number?
  35. 35.268 is 80% of ?
  36. 36.Arjun spent ₹6, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  37. 37.Rohan spent ₹207, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  38. 38.212 is 80% of ?
  39. 39.12% of a number is 6. What is the number?
  40. 40.Dev spent ₹222, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?

Answer key

  1. 320
  2. 120
  3. 40
  4. 270
  5. 25
  6. 40
  7. 105
  8. 178
  9. 160
  10. 225
  11. 80
  12. 130
  13. 52
  14. 90
  15. 398
  16. 40
  17. 30
  18. 200
  19. 50
  20. 232
  21. 380
  22. 4
  23. 135
  24. 370
  25. 400
  26. 290
  27. 35
  28. 200
  29. 160
  30. 205
  31. 250
  32. 250
  33. 20
  34. 92
  35. 335
  36. 120
  37. 276
  38. 265
  39. 50
  40. 296

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