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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 829 · 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.

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  1. 1.15% of a number is 9. What is the number?
  2. 2.Meera spent ₹39, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  3. 3.20% of a number is 8. What is the number?
  4. 4.282 is 75% of ?
  5. 5.10% of a number is 26. What is the number?
  6. 6.Arjun spent ₹195, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  7. 7.36 is 10% of ?
  8. 8.15% of a number is 27. What is the number?
  9. 9.Riya spent ₹15, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  10. 10.Isha spent ₹82, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  11. 11.5% of a number is 15. What is the number?
  12. 12.20% of a number is 71. What is the number?
  13. 13.10% of a number is 25. What is the number?
  14. 14.60% of a number is 30. What is the number?
  15. 15.25% of a number is 97. What is the number?
  16. 16.20% of a number is 31. What is the number?
  17. 17.Aarav spent ₹82, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  18. 18.Riya spent ₹168, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  19. 19.94 is 25% of ?
  20. 20.Arjun spent ₹165, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  21. 21.12 is 12% of ?
  22. 22.Meera spent ₹168, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  23. 23.30% of a number is 54. What is the number?
  24. 24.27 is 25% of ?
  25. 25.Ishaan spent ₹45, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  26. 26.Riya spent ₹33, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  27. 27.12% of a number is 9. What is the number?
  28. 28.Anaya spent ₹45, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  29. 29.Isha spent ₹39, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  30. 30.Meera spent ₹105, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  31. 31.75% of a number is 150. What is the number?
  32. 32.Dev spent ₹4, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  33. 33.Anaya spent ₹3, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  34. 34.120 is 30% of ?
  35. 35.288 is 80% of ?
  36. 36.50% of a number is 35. What is the number?
  37. 37.9 is 12% of ?
  38. 38.24 is 25% of ?
  39. 39.60% of a number is 87. What is the number?
  40. 40.186 is 75% of ?

Answer key

  1. 60
  2. 325
  3. 40
  4. 376
  5. 260
  6. 325
  7. 360
  8. 180
  9. 25
  10. 328
  11. 300
  12. 355
  13. 250
  14. 50
  15. 388
  16. 155
  17. 205
  18. 210
  19. 376
  20. 330
  21. 100
  22. 210
  23. 180
  24. 108
  25. 375
  26. 220
  27. 75
  28. 375
  29. 260
  30. 350
  31. 200
  32. 40
  33. 60
  34. 400
  35. 360
  36. 70
  37. 75
  38. 96
  39. 145
  40. 248

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