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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 120 · 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. 1.3 is 12% of ?
  2. 2.12% of a number is 39. What is the number?
  3. 3.Arjun spent ₹15, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  4. 4.78 is 30% of ?
  5. 5.13 is 5% of ?
  6. 6.75% of a number is 93. What is the number?
  7. 7.Sara spent ₹158, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  8. 8.25% of a number is 1. What is the number?
  9. 9.24 is 80% of ?
  10. 10.25% of a number is 53. What is the number?
  11. 11.12% of a number is 45. What is the number?
  12. 12.40% of a number is 100. What is the number?
  13. 13.12% of a number is 48. What is the number?
  14. 14.5% of a number is 15. What is the number?
  15. 15.Meera spent ₹2, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  16. 16.40% of a number is 42. What is the number?
  17. 17.40% of a number is 16. What is the number?
  18. 18.62 is 20% of ?
  19. 19.Meera spent ₹176, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  20. 20.20% of a number is 39. What is the number?
  21. 21.75% of a number is 129. What is the number?
  22. 22.244 is 80% of ?
  23. 23.Aarav spent ₹46, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  24. 24.60% of a number is 180. What is the number?
  25. 25.138 is 75% of ?
  26. 26.40% of a number is 132. What is the number?
  27. 27.50% of a number is 32. What is the number?
  28. 28.75% of a number is 123. What is the number?
  29. 29.Sara spent ₹54, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  30. 30.Kabir spent ₹22, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  31. 31.15 is 15% of ?
  32. 32.Aarav spent ₹27, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  33. 33.6 is 30% of ?
  34. 34.60 is 25% of ?
  35. 35.20% of a number is 63. What is the number?
  36. 36.5% of a number is 20. What is the number?
  37. 37.Meera spent ₹165, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  38. 38.10% of a number is 13. What is the number?
  39. 39.111 is 30% of ?
  40. 40.12% of a number is 21. What is the number?

Answer key

  1. 25
  2. 325
  3. 150
  4. 260
  5. 260
  6. 124
  7. 316
  8. 4
  9. 30
  10. 212
  11. 375
  12. 250
  13. 400
  14. 300
  15. 10
  16. 105
  17. 40
  18. 310
  19. 220
  20. 195
  21. 172
  22. 305
  23. 184
  24. 300
  25. 184
  26. 330
  27. 64
  28. 164
  29. 180
  30. 44
  31. 100
  32. 180
  33. 20
  34. 240
  35. 315
  36. 400
  37. 275
  38. 130
  39. 370
  40. 175

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