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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 77 · 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. 1.240 is 60% of ?
  2. 2.48 is 15% of ?
  3. 3.25% of a number is 36. What is the number?
  4. 4.213 is 60% of ?
  5. 5.80% of a number is 300. What is the number?
  6. 6.Riya spent ₹37, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  7. 7.50% of a number is 25. What is the number?
  8. 8.112 is 50% of ?
  9. 9.75% of a number is 249. What is the number?
  10. 10.67 is 25% of ?
  11. 11.20% of a number is 6. What is the number?
  12. 12.225 is 60% of ?
  13. 13.10% of a number is 15. What is the number?
  14. 14.234 is 75% of ?
  15. 15.15% of a number is 30. What is the number?
  16. 16.Aarav spent ₹33, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  17. 17.60% of a number is 207. What is the number?
  18. 18.Aarav spent ₹27, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.60% of a number is 24. What is the number?
  20. 20.Meera spent ₹156, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  21. 21.Meera spent ₹316, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  22. 22.122 is 40% of ?
  23. 23.60% of a number is 168. What is the number?
  24. 24.50% of a number is 139. What is the number?
  25. 25.Dev spent ₹156, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  26. 26.28 is 25% of ?
  27. 27.12% of a number is 24. What is the number?
  28. 28.Isha spent ₹30, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  29. 29.20% of a number is 9. What is the number?
  30. 30.7 is 10% of ?
  31. 31.Diya spent ₹18, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  32. 32.20% of a number is 39. What is the number?
  33. 33.60% of a number is 219. What is the number?
  34. 34.Meera spent ₹20, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  35. 35.Aarav spent ₹16, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  36. 36.17 is 20% of ?
  37. 37.8 is 5% of ?
  38. 38.1 is 25% of ?
  39. 39.240 is 80% of ?
  40. 40.5% of a number is 12. What is the number?

Answer key

  1. 400
  2. 320
  3. 144
  4. 355
  5. 375
  6. 74
  7. 50
  8. 224
  9. 332
  10. 268
  11. 30
  12. 375
  13. 150
  14. 312
  15. 200
  16. 44
  17. 345
  18. 225
  19. 40
  20. 260
  21. 395
  22. 305
  23. 280
  24. 278
  25. 195
  26. 112
  27. 200
  28. 300
  29. 45
  30. 70
  31. 24
  32. 195
  33. 365
  34. 400
  35. 320
  36. 85
  37. 160
  38. 4
  39. 300
  40. 240

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