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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 860 · 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.Riya spent ₹204, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  2. 2.105 is 60% of ?
  3. 3.60% of a number is 108. What is the number?
  4. 4.27 is 30% of ?
  5. 5.Kabir spent ₹4, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  6. 6.Diya spent ₹194, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  7. 7.15% of a number is 57. What is the number?
  8. 8.50% of a number is 86. What is the number?
  9. 9.50% of a number is 66. What is the number?
  10. 10.3 is 75% of ?
  11. 11.Ishaan spent ₹17, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  12. 12.60% of a number is 39. What is the number?
  13. 13.Meera spent ₹150, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  14. 14.Rohan spent ₹44, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  15. 15.Ishaan spent ₹10, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  16. 16.40% of a number is 66. What is the number?
  17. 17.93 is 30% of ?
  18. 18.80% of a number is 252. What is the number?
  19. 19.12% of a number is 30. What is the number?
  20. 20.5% of a number is 2. What is the number?
  21. 21.20% of a number is 64. What is the number?
  22. 22.15% of a number is 15. What is the number?
  23. 23.39 is 10% of ?
  24. 24.Kabir spent ₹13, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  25. 25.Anaya spent ₹46, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  26. 26.2 is 5% of ?
  27. 27.80% of a number is 284. What is the number?
  28. 28.15% of a number is 60. What is the number?
  29. 29.50% of a number is 108. What is the number?
  30. 30.50% of a number is 155. What is the number?
  31. 31.Ishaan spent ₹24, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  32. 32.20% of a number is 22. What is the number?
  33. 33.15 is 30% of ?
  34. 34.65 is 20% of ?
  35. 35.70 is 50% of ?
  36. 36.4 is 80% of ?
  37. 37.Isha spent ₹174, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  38. 38.3 is 12% of ?
  39. 39.30% of a number is 75. What is the number?
  40. 40.198 is 50% of ?

Answer key

  1. 272
  2. 175
  3. 180
  4. 90
  5. 80
  6. 388
  7. 380
  8. 172
  9. 132
  10. 4
  11. 170
  12. 65
  13. 375
  14. 110
  15. 200
  16. 165
  17. 310
  18. 315
  19. 250
  20. 40
  21. 320
  22. 100
  23. 390
  24. 52
  25. 92
  26. 40
  27. 355
  28. 400
  29. 216
  30. 310
  31. 80
  32. 110
  33. 50
  34. 325
  35. 140
  36. 5
  37. 290
  38. 25
  39. 250
  40. 396

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