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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 420 · 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. 1.279 is 75% of ?
  2. 2.60% of a number is 108. What is the number?
  3. 3.10% of a number is 29. What is the number?
  4. 4.Arjun spent ₹88, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  5. 5.20% of a number is 64. What is the number?
  6. 6.12% of a number is 45. What is the number?
  7. 7.124 is 80% of ?
  8. 8.80% of a number is 8. What is the number?
  9. 9.5% of a number is 6. What is the number?
  10. 10.Rohan spent ₹12, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.25% of a number is 66. What is the number?
  12. 12.75% of a number is 297. What is the number?
  13. 13.Anaya spent ₹160, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  14. 14.72 is 75% of ?
  15. 15.88 is 25% of ?
  16. 16.80% of a number is 208. What is the number?
  17. 17.16 is 80% of ?
  18. 18.75% of a number is 246. What is the number?
  19. 19.Aarav spent ₹272, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  20. 20.30% of a number is 30. What is the number?
  21. 21.10% of a number is 13. What is the number?
  22. 22.94 is 40% of ?
  23. 23.9 is 5% of ?
  24. 24.29 is 10% of ?
  25. 25.20% of a number is 59. What is the number?
  26. 26.Meera spent ₹118, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  27. 27.Meera spent ₹22, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  28. 28.4 is 20% of ?
  29. 29.Rohan spent ₹12, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  30. 30.40% of a number is 6. What is the number?
  31. 31.234 is 75% of ?
  32. 32.51 is 25% of ?
  33. 33.Diya spent ₹264, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  34. 34.15% of a number is 60. What is the number?
  35. 35.Rohan spent ₹237, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  36. 36.Meera spent ₹3, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  37. 37.4 is 40% of ?
  38. 38.20% of a number is 32. What is the number?
  39. 39.50% of a number is 180. What is the number?
  40. 40.Isha spent ₹24, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?

Answer key

  1. 372
  2. 180
  3. 290
  4. 220
  5. 320
  6. 375
  7. 155
  8. 10
  9. 120
  10. 100
  11. 264
  12. 396
  13. 200
  14. 96
  15. 352
  16. 260
  17. 20
  18. 328
  19. 340
  20. 100
  21. 130
  22. 235
  23. 180
  24. 290
  25. 295
  26. 295
  27. 220
  28. 20
  29. 40
  30. 15
  31. 312
  32. 204
  33. 352
  34. 400
  35. 316
  36. 25
  37. 10
  38. 160
  39. 360
  40. 200

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