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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 411 · 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. 1.180 is 75% of ?
  2. 2.45 is 50% of ?
  3. 3.40% of a number is 28. What is the number?
  4. 4.11 is 5% of ?
  5. 5.25% of a number is 22. What is the number?
  6. 6.26 is 25% of ?
  7. 7.Sara spent ₹224, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  8. 8.252 is 80% of ?
  9. 9.10% of a number is 23. What is the number?
  10. 10.80% of a number is 52. What is the number?
  11. 11.15% of a number is 57. What is the number?
  12. 12.Isha spent ₹134, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  13. 13.18 is 20% of ?
  14. 14.Rohan spent ₹75, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  15. 15.75% of a number is 165. What is the number?
  16. 16.Meera spent ₹58, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  17. 17.36 is 15% of ?
  18. 18.Ishaan spent ₹44, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  19. 19.10% of a number is 5. What is the number?
  20. 20.18 is 5% of ?
  21. 21.2 is 20% of ?
  22. 22.3 is 10% of ?
  23. 23.Riya spent ₹30, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.60% of a number is 132. What is the number?
  25. 25.Anaya spent ₹48, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  26. 26.12% of a number is 33. What is the number?
  27. 27.3 is 60% of ?
  28. 28.Rohan spent ₹161, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  29. 29.13 is 5% of ?
  30. 30.15 is 5% of ?
  31. 31.31 is 50% of ?
  32. 32.10 is 5% of ?
  33. 33.Rohan spent ₹37, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  34. 34.20% of a number is 78. What is the number?
  35. 35.98 is 25% of ?
  36. 36.60% of a number is 102. What is the number?
  37. 37.75% of a number is 3. What is the number?
  38. 38.10% of a number is 14. What is the number?
  39. 39.Dev spent ₹45, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  40. 40.292 is 80% of ?

Answer key

  1. 240
  2. 90
  3. 70
  4. 220
  5. 88
  6. 104
  7. 280
  8. 315
  9. 230
  10. 65
  11. 380
  12. 335
  13. 90
  14. 375
  15. 220
  16. 290
  17. 240
  18. 88
  19. 50
  20. 360
  21. 10
  22. 30
  23. 300
  24. 220
  25. 400
  26. 275
  27. 5
  28. 322
  29. 260
  30. 300
  31. 62
  32. 200
  33. 74
  34. 390
  35. 392
  36. 170
  37. 4
  38. 140
  39. 375
  40. 365

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