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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 711 · 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. 1.11 is 5% of ?
  2. 2.100 is 25% of ?
  3. 3.Isha spent ₹141, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  4. 4.Meera spent ₹39, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  5. 5.180 is 75% of ?
  6. 6.10% of a number is 24. What is the number?
  7. 7.15% of a number is 18. What is the number?
  8. 8.20% of a number is 43. What is the number?
  9. 9.Meera spent ₹15, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  10. 10.51 is 60% of ?
  11. 11.50% of a number is 57. What is the number?
  12. 12.1 is 10% of ?
  13. 13.Arjun spent ₹33, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  14. 14.25% of a number is 6. What is the number?
  15. 15.75% of a number is 261. What is the number?
  16. 16.Kabir spent ₹43, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  17. 17.99 is 25% of ?
  18. 18.30 is 40% of ?
  19. 19.Sara spent ₹18, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  20. 20.Rohan spent ₹66, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  21. 21.Riya spent ₹64, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  22. 22.Sara spent ₹32, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  23. 23.9 is 25% of ?
  24. 24.84 is 80% of ?
  25. 25.20% of a number is 2. What is the number?
  26. 26.36 is 25% of ?
  27. 27.87 is 75% of ?
  28. 28.Riya spent ₹23, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  29. 29.12% of a number is 9. What is the number?
  30. 30.Ishaan spent ₹212, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  31. 31.18 is 15% of ?
  32. 32.10% of a number is 4. What is the number?
  33. 33.Ishaan spent ₹23, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  34. 34.23 is 20% of ?
  35. 35.Diya spent ₹122, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  36. 36.75% of a number is 252. What is the number?
  37. 37.Isha spent ₹19, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  38. 38.Meera spent ₹162, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  39. 39.2 is 5% of ?
  40. 40.Isha spent ₹222, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?

Answer key

  1. 220
  2. 400
  3. 235
  4. 156
  5. 240
  6. 240
  7. 120
  8. 215
  9. 100
  10. 85
  11. 114
  12. 10
  13. 275
  14. 24
  15. 348
  16. 215
  17. 396
  18. 75
  19. 150
  20. 264
  21. 320
  22. 320
  23. 36
  24. 105
  25. 10
  26. 144
  27. 116
  28. 230
  29. 75
  30. 265
  31. 120
  32. 40
  33. 115
  34. 115
  35. 305
  36. 336
  37. 76
  38. 270
  39. 40
  40. 296

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