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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 900 · 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. 1.153 is 60% of ?
  2. 2.65 is 50% of ?
  3. 3.42 is 30% of ?
  4. 4.50% of a number is 133. What is the number?
  5. 5.20% of a number is 51. What is the number?
  6. 6.6 is 20% of ?
  7. 7.84 is 80% of ?
  8. 8.13 is 5% of ?
  9. 9.15% of a number is 57. What is the number?
  10. 10.25% of a number is 2. What is the number?
  11. 11.Diya spent ₹2, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  12. 12.12% of a number is 42. What is the number?
  13. 13.Sara spent ₹3, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  14. 14.60% of a number is 36. What is the number?
  15. 15.75% of a number is 42. What is the number?
  16. 16.5% of a number is 4. What is the number?
  17. 17.Arjun spent ₹48, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  18. 18.Anaya spent ₹51, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  19. 19.75% of a number is 66. What is the number?
  20. 20.12 is 10% of ?
  21. 21.75% of a number is 48. What is the number?
  22. 22.39 is 60% of ?
  23. 23.46 is 20% of ?
  24. 24.Aarav spent ₹16, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  25. 25.68 is 40% of ?
  26. 26.Riya spent ₹53, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  27. 27.12% of a number is 15. What is the number?
  28. 28.30% of a number is 18. What is the number?
  29. 29.5 is 50% of ?
  30. 30.81 is 25% of ?
  31. 31.224 is 80% of ?
  32. 32.Isha spent ₹5, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  33. 33.Kabir spent ₹2, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.30% of a number is 114. What is the number?
  35. 35.20% of a number is 5. What is the number?
  36. 36.Ishaan spent ₹7, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  37. 37.75% of a number is 9. What is the number?
  38. 38.4 is 5% of ?
  39. 39.7 is 25% of ?
  40. 40.60% of a number is 72. What is the number?

Answer key

  1. 255
  2. 130
  3. 140
  4. 266
  5. 255
  6. 30
  7. 105
  8. 260
  9. 380
  10. 8
  11. 40
  12. 350
  13. 30
  14. 60
  15. 56
  16. 80
  17. 400
  18. 204
  19. 88
  20. 120
  21. 64
  22. 65
  23. 230
  24. 64
  25. 170
  26. 265
  27. 125
  28. 60
  29. 10
  30. 324
  31. 280
  32. 10
  33. 40
  34. 380
  35. 25
  36. 70
  37. 12
  38. 80
  39. 28
  40. 120

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