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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 131 · 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. 1.52 is 50% of ?
  2. 2.4 is 20% of ?
  3. 3.20% of a number is 10. What is the number?
  4. 4.12% of a number is 48. What is the number?
  5. 5.20% of a number is 76. What is the number?
  6. 6.Aarav spent ₹85, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  7. 7.3 is 12% of ?
  8. 8.39 is 15% of ?
  9. 9.80% of a number is 104. What is the number?
  10. 10.Aarav spent ₹40, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  11. 11.10% of a number is 25. What is the number?
  12. 12.Ishaan spent ₹12, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  13. 13.291 is 75% of ?
  14. 14.20% of a number is 41. What is the number?
  15. 15.60% of a number is 114. What is the number?
  16. 16.22 is 10% of ?
  17. 17.12 is 10% of ?
  18. 18.20% of a number is 26. What is the number?
  19. 19.Arjun spent ₹42, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  20. 20.30% of a number is 30. What is the number?
  21. 21.40% of a number is 24. What is the number?
  22. 22.Arjun spent ₹10, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  23. 23.Ishaan spent ₹210, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  24. 24.50% of a number is 187. What is the number?
  25. 25.Meera spent ₹67, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  26. 26.10% of a number is 2. What is the number?
  27. 27.Kabir spent ₹45, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  28. 28.50% of a number is 67. What is the number?
  29. 29.15% of a number is 27. What is the number?
  30. 30.39 is 30% of ?
  31. 31.40 is 10% of ?
  32. 32.Riya spent ₹10, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  33. 33.60% of a number is 129. What is the number?
  34. 34.75% of a number is 30. What is the number?
  35. 35.38 is 50% of ?
  36. 36.Anaya spent ₹160, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  37. 37.Sara spent ₹9, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  38. 38.Arjun spent ₹9, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  39. 39.75% of a number is 162. What is the number?
  40. 40.60% of a number is 42. What is the number?

Answer key

  1. 104
  2. 20
  3. 50
  4. 400
  5. 380
  6. 340
  7. 25
  8. 260
  9. 130
  10. 80
  11. 250
  12. 40
  13. 388
  14. 205
  15. 190
  16. 220
  17. 120
  18. 130
  19. 280
  20. 100
  21. 60
  22. 100
  23. 280
  24. 374
  25. 134
  26. 20
  27. 225
  28. 134
  29. 180
  30. 130
  31. 400
  32. 40
  33. 215
  34. 40
  35. 76
  36. 200
  37. 75
  38. 90
  39. 216
  40. 70

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