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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 442 · 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.Rohan spent ₹21, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  2. 2.75% of a number is 258. What is the number?
  3. 3.50% of a number is 96. What is the number?
  4. 4.20% of a number is 67. What is the number?
  5. 5.Kabir spent ₹90, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  6. 6.75% of a number is 138. What is the number?
  7. 7.140 is 50% of ?
  8. 8.Meera spent ₹75, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  9. 9.21 is 15% of ?
  10. 10.36 is 10% of ?
  11. 11.Riya spent ₹76, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  12. 12.25% of a number is 42. What is the number?
  13. 13.Meera spent ₹81, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  14. 14.210 is 60% of ?
  15. 15.12 is 10% of ?
  16. 16.Meera spent ₹15, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  17. 17.Ishaan spent ₹20, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  18. 18.Aarav spent ₹11, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.80% of a number is 224. What is the number?
  20. 20.60% of a number is 165. What is the number?
  21. 21.24 is 25% of ?
  22. 22.Sara spent ₹154, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  23. 23.12% of a number is 9. What is the number?
  24. 24.135 is 75% of ?
  25. 25.69 is 30% of ?
  26. 26.50% of a number is 14. What is the number?
  27. 27.30% of a number is 63. What is the number?
  28. 28.29 is 10% of ?
  29. 29.76 is 80% of ?
  30. 30.54 is 15% of ?
  31. 31.50% of a number is 71. What is the number?
  32. 32.105 is 30% of ?
  33. 33.20% of a number is 53. What is the number?
  34. 34.54 is 60% of ?
  35. 35.Riya spent ₹18, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  36. 36.80% of a number is 152. What is the number?
  37. 37.2 is 10% of ?
  38. 38.5% of a number is 10. What is the number?
  39. 39.Anaya spent ₹36, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  40. 40.20% of a number is 71. What is the number?

Answer key

  1. 140
  2. 344
  3. 192
  4. 335
  5. 120
  6. 184
  7. 280
  8. 125
  9. 140
  10. 360
  11. 190
  12. 168
  13. 135
  14. 350
  15. 120
  16. 125
  17. 80
  18. 110
  19. 280
  20. 275
  21. 96
  22. 308
  23. 75
  24. 180
  25. 230
  26. 28
  27. 210
  28. 290
  29. 95
  30. 360
  31. 142
  32. 350
  33. 265
  34. 90
  35. 36
  36. 190
  37. 20
  38. 200
  39. 300
  40. 355

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